JEE Main 2024 — Organic Chemistry

\(9.3 \mathrm{~g}\) of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100\% yield/conversion) is _______ g. (nearest integer)

A compound $(x)$ with molar mass $108g{\mathrm{mol}}^{-1}$ undergoes acetylation to give product with molar mass $192g{\mathrm{mol}}^{-1}$. The number of amino groups in the compound $(x)$ is ________.

A species having carbon with sextet of electrons and can act as electrophile is called

According to IUPAC system, the compound  is named as:

‘Adsorption’ principle is used for which of the following purification method?

Alkyl halide is converted into alkyl isocyanide by reaction with

Among \(\mathrm{VO}_2^{+}, \mathrm{MnO}_4^{-}\)and \(\mathrm{Cr}_2 \mathrm{O}_7^{2-}\), the spin-only magnetic moment value of the species with least oxidising ability is ______ BM (Nearest integer). (Given atomic member \(\mathrm{V}=23, \mathrm{Mn}=25, \mathrm{Cr}=24\))

Among the following, total number of meta directing functional groups is (Integer based) $-{\mathrm{OCH}}_{3},-{\mathrm{NO}}_{2},-\mathrm{CN},-{\mathrm{CH}}_{3}-{\mathrm{NHCOCH}}_{3}$, $-\mathrm{COR},-\mathrm{OH},-\mathrm{COOH},-\mathrm{Cl}$

Among the given organic compounds, the total number of aromatic compounds is 

Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with ${\mathrm{FeSO}}_{4}$ in presence of concentrated ${H}_{2}{\mathrm{SO}}_{4}$ indicates the presence of element/s

Bond line formula of $\mathrm{HOCH}(\mathrm{CN}{)}_{2}$ is:

Chromatographic technique/s based on the principle of differential adsorption is/are A. Column chromatography B. Thin layer chromatography C. Paper chromatography Choose the most appropriate answer from the options given below:

Coagulation of egg, on heating is because of :

Common name of Benzene - 1, 2 - diol is -

Compound $A$ formed in the following reaction reacts with $B$ gives the product $C$. Find out $A$ and $B.$ 

Consider the given chemical reaction :  Product " \(\mathrm{A}\) " is :

Consider the given chemical reaction sequence :  Total sum of oxygen atoms in Product A and Product B are _______

Consider the given reaction, identify the major product \(P\). \(\mathrm{CH}_3-\mathrm{COOH} \xrightarrow[\text { (iv) } \mathrm{H}_2 \mathrm{O} / \overline{\mathrm{O}} \mathrm{H}, \Delta]{\text { (i) } \mathrm{LiAlH}_4 \text { (ii) } \mathrm{PCC} \text { (iii) } \mathrm{HCN} / \overline{\mathrm{O}} \mathrm{H}}\)"P"

Correct order of basic strength of Pyrrole  , Pyridine , and Piperidine is:

Correct order of stability of carbanion is - 

Cyclohexene  is _________ type of an organic compound.

DNA molecule contains 4 bases whose structure are shown below. One of the structures is not correct, identify the incorrect base structure.

Example of vinylic halide is

Find out the major product formed from the following reaction. \(\left[\mathrm{Me}:-\mathrm{CH}_3\right]\) 

Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B) 

Following Kjeldahl's method, $1g$ of organic compound released ammonia, that neutralised $10\mathrm{mL}$ of $2{\mathrm{MH}}_{2}{\mathrm{SO}}_{4}.$ The percentage of nitrogen in the compound is _______ $%.$

For the Compounds : (A) \(\mathrm{H}_3 \mathrm{C}-\mathrm{CH}_2-\mathrm{O}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3\) (B) \(\mathrm{H}_3 \mathrm{C}-\mathrm{CH}_2^2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3\) (C)  (D) The increasing order of boiling point is : Choose the correct answer from the options given below :

For the given compounds, the correct order of increasing \(\mathrm{pK}_{\mathrm{a}}\) value :  Choose the correct answer from the options given below :

From \(6.55 \mathrm{~g}\) of aniline, the maximum amount of acetanilide that can be prepared will be ______ \(\times 10^{-1} \mathrm{~g}\).

From the compounds given below, number of compounds which give positive Fehling's test is Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde.

From the vitamins $A,{B}_{1},{B}_{6},{B}_{12},C,D,E$ and $K$, the number vitamins that can be stored in our body is ______.

Functional group present in sulphonic acids is :

Given below are two statement one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): ${\mathrm{CH}}_{2}=\mathrm{CH}-{\mathrm{CH}}_{2}-\mathrm{Cl}$ is an example of allyl halide Reason (R): Allyl halides are the compounds in which the halogen atom is attached to ${\mathrm{sp}}^{2}$ hybridised carbon atom. In the light of the two above statements, choose the most appropriate answer from the options given below:

Given below are two statement: Statements I : Bromination of phenol in solvent with low polarity such as \(\mathrm{CHCl}_3\) or \(\mathrm{CS}_2\) requires Lewis acid catalyst. Statements II : The Lewis acid catalyst polarises the bromine to generate \(\mathrm{Br}^{+}\). In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): \(\mathrm{S}_{\mathrm{N}} 2\) reaction of \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Br}\) occurs more readily than the \(\mathrm{S}_{\mathrm{N}} 2\) reaction of \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}\). Reason (R) : The partially bonded unhybridized p-orbital that develops in the trigonal bipyramidal transition state is stabilized by conjugation with the phenyl ring. In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom. Reason R : Phenols react with halogen acids violently. In the light of the above statements, choose the most appropriate from the options given below:

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Alcohols react both as nucleophiles and electrophiles. Reason R: Alcohols react with active metals such as sodium, potassium and aluminum to yield corresponding alkoxides and liberate hydrogen. In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Cis form of alkene is found to be more polar than the trans form. Reason (R): Dipole moment of trans isomer of 2-butene is zero. In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$ Assertion $(A):$ Haloalkanes react with $\mathrm{KCN}$ to form alkyl cyanides as a main product while with $\mathrm{AgCN}$ form isocyanide as the main product. Reason $(R):$ $\mathrm{KCN}$ and $\mathrm{AgCN}$ both are highly ionic compounds. In the light of the above statement, choose the most appropriate answer from the options given below.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: $p{K}_{a}$ value of phenol is $10.0$ while that of ethanol is $15.9$. Reason R: Ethanol is stronger acid than phenol. In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements: Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow ${S}_{N}2$ mechanism. Statement - II: A secondary alkyl halide when treated with a large excess of ethanol follows ${S}_{N}1$ mechanism. In the the light of the above statements, choose the most appropriate from the questions given below:

Given below are two statements : Statement (I) : All the following compounds react with p-toluenesulfonyl chloride. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 \quad\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \mathrm{NH} \quad\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \mathrm{~N}\) Statement (II) : Their products in the above reaction are soluble is aqueous \(\mathrm{NaOH}\). In the light of the above statements, choose the correct answer from the options given below

Given below are two statements: Statement (I) : Aminobenzene and aniline are same organic compounds. Statement (II) : Aminobenzene and aniline are different organic compounds. In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements : Statement I: Aniline reacts with con. ${H}_{2}{\mathrm{SO}}_{4}$ followed by heating at $453-473K$ gives p-aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'. Statement II: In Friedel - Craft's alkylation and acylation reactions, aniline forms salt with the ${\mathrm{AlCl}}_{3}$ catalyst. Due to this, nitrogen of aniline acquires a positive charge and acts as deactivating group. In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements: Statement I: IUPAC name of $\mathrm{HO}-{\mathrm{CH}}_{2}-({\mathrm{CH}}_{2}{)}_{3}-{\mathrm{CH}}_{2}-{\mathrm{COCH}}_{3}$ is $7$-hydroxyheptan-$2$-one. Statement II: $2$-oxoheptan-$7$-ol is the correct IUPAC name for the above compound. In the light of the above statements, Choose the most appropriate answer from the options given below:

Given below are two statements : Statement (I) : Kjeldahl method is applicable to estimate nitrogen in pyridine. Statement (II) : The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method. In the light of the above statements, choose the correct answer from the options given below

Given below are two statements : Statement (I) : \(\mathrm{S}_{\mathrm{N}} 2\) reactions are 'stereospecific', indicating that they result in the formation of only one stereo-isomer as the product. Statement (II) : \(\mathrm{S}_{\mathrm{N}} 1\) reactions generally result in formation of product as racemic mixtures. In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements: Statement I : Nitration of benzene involves the following step -  Statement II : Use of Lewis base promotes the electrophilic substitution of benzene. In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements : Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement (II) : Ethanol will give immediate turbidity with Lucas reagent. In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements : Statement I : Piciric acid is 2,4,6 - trinitrotoluene. Statement II : Phenol - 2,4 - disulphonic acid is treated with Conc. \(\mathrm{HNO}_3\) to get picric acid. In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements: Statement (I) : The ${\mathrm{NH}}_{2}$ group in Aniline is ortho and para directing and a powerful activating group. Statement (II) : Aniline does not undergo FriedelCraft's reaction (alkylation and acylation). In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements : Statements I : Acidity of \(\alpha\)-hydrogens of aldehydes and ketones is responsible for Aldol reaction. Statement II : Reaction between benzaldehyde and ethanal will NOT give Cross - Aldol product. In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements: Statements I:  IUPAC name of Compound \(A\) is 4-chloro-1,3-dinitrobenzene. Statements II: IUPAC name of Compound \(\mathrm{B}\) is 4-ethyl-2-methylaniline. In the light of the above statements, choose the most appropriate answer from the options given below:

Highest enol content will be shown by :

How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects? 

Identify \(A\) and \(B\) in the given chemical reaction sequence : 

Identify ' \(A\) ' in the following reaction: 

Identify $A$ and $B$ in the following reaction sequence. 

Identify $A$ and $B$ in the following sequence of reaction 

Identify B formed in the reaction. $\mathrm{Cl}-{({\mathrm{CH}}_{2})}_{4}-\mathrm{Cl}\overset{\mathrm{excess}{\mathrm{NH}}_{3}}{\rightarrow }A\overset{\mathrm{NaOH}}{\rightarrow }B+{H}_{2}O+\mathrm{NaCl}$

Identify compound \((\mathrm{Z})\) in the following reaction sequence. 

Identify major product ‘$P$’ formed in the following reaction. 

Identify major product " \(\mathrm{X}\) " formed in the following reaction : 

Identify product A and product B 

Identify structure of $2,3$-dibromo-$1$-phenylpentane.

Identify the correct set of reagents or reaction conditions ' \(X\) ' and ' \(Y\) ' in the following set of transformation 

Identify the major product in the following reaction. 

Identify the major products \(\mathrm{A}\) and \(\mathrm{B}\) respectively in the following set of reactions. 

Identify the name reaction. 

Identify the product A and product B in the following set of reactions. 

Identify the product (A) in the following reaction. 

Identify the product in the following reaction : 

Identify the product \((\mathrm{P})\) in the following reaction: 

Identify the reagents used for the following conversion 

If \(279 \mathrm{~g}\) of aniline is reacted with one equivalent of benzenediazonium chloride, the maximum amount of aniline yellow formed will be _______ g. (nearest integer) (consider complete conversion).

If one strand of a $\mathrm{DNA}$ has the sequence ATGCTTCA, sequence of the bases in complementary strand is:

In Kjeldahl's method for estimation of nitrogen, ${\mathrm{CuSO}}_{4}$ acts as :

In qualitative test for identification of presence of phosphorous, the compound is heated with an oxidising agent. Which is further treated with nitric acid and ammonium molybdate respectively. The yellow coloured precipitate obtained is :

In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is _____

In the Claisen-Schmidt reaction to prepare \(351 \mathrm{~g}\) of dibenzalacetone using \(87 \mathrm{~g}\) of acetone, the amount of benzaldehyde required is ______ g. (Nearest integer)

In the following sequence of reaction, the major products \(B\) and \(C\) respectively are : 

In the given compound, the number of \(2^{\circ}\) carbon atom \(/ \mathrm{s}\) is _______. 

In the given reactions identify $A$ and $B.$ 

In the given reactions identify the reagent $A$ and reagent $B$ 

Ionic reactions with organic compounds proceed through: (A) Homolytic bond cleavage (B) Heterolytic bond cleavage (C) Free radical formation (D) Primary free radical (E) Secondary free radical Choose the correct answer from the options given below:

$2-\mathrm{chlorobutane}+{\mathrm{Cl}}_{2}\rightarrow {C}_{4}{H}_{8}{\mathrm{Cl}}_{2}$ (isomers) Total number of optically active isomers shown by ${C}_{4}{H}_{8}{\mathrm{Cl}}_{2}$, obtained in the above reaction is ________.

IUPAC name of following compound is 

IUPAC name of following hydrocarbon \((X)\) is : 

 Consider the above reaction sequence and identify the major product \(P\).

 Consider the above chemical reaction. Product " \(\mathrm{A}\) " is :

 This reduction reaction is known as:

 The ratio of number of oxygen atoms to bromine atoms in the product \(\mathrm{Q}\) is ______ \(\times 10^{-1}\).

 The incorrect statement regarding the given structure is

 The incorrect statements regarding enzymes are : (A) Enzymes are biocatalysts. (B) Enzymes are non-specific and can catalyse different kinds of reactions. (C) Most Enzymes are globular proteins. (D) Enzyme - oxidase catalyses the hydrolysis of maltose into glucose. Choose the correct answer from the option given below :

 What is the structure of C

 In the given TLC, the distance of spot A & B are \(5 \mathrm{~cm} ~\&~ 7 \mathrm{~cm}\), from the bottom of TLC plate, respectively. \(\mathrm{R}_{\mathrm{f}}\) value of \(\mathrm{B}\) is \(x \times 10^{-1}\) times more than \(\mathrm{A}\). The value of \(x\) is ______.

 The correct arrangement for decreasing order of electrophilic substitution for above compounds is :

 The total number of hydrogen atoms in product $A$ and product $B$ is__________.

 Acid $D$ formed in above reaction is:

 In the above reaction product ' \(\mathrm{P}\) ' is

 Consider the given reaction. The total number of oxygen atoms present per molecule of the product $(P)$ is _________.

 In the above chemical reaction sequence " \(\mathrm{A}\) " and " \(\mathrm{B}\) " respectively are

 Product \(\mathrm{P}\) is

 Identify (B) and (C) and how are (A) and (C) related ?

Which of the following compounds will show optical isomerism?

Lassaigne's test is used for detection of:

m-chlorobenzaldehyde on treatment with $50%$$\mathrm{KOH}$ solution yields

Major product \(B\) of the following reaction has _______ \(\pi\)-bond. 

Major product formed in the following reaction is a mixture of: 

Major product of the following reaction is: 

Major product of the following reaction is 

Match List - I with List - II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I (Reactants)</td><td colspan="2" rowspan="1">List-II Products</td></tr><tr><td>(A)</td><td>Phenol, $\mathrm{Zn}/\Delta$</td><td>(I)</td><td>Salicylaldehyde</td></tr><tr><td>(B)</td><td>Phenol, ${\mathrm{CHCl}}_{3},\mathrm{NaOH},\mathrm{HCl}$</td><td>(II)</td><td>Salicylic acid</td></tr><tr><td>(C)</td><td>Phenol, ${\mathrm{CO}}_{2},\mathrm{NaOH},\mathrm{HCl}$</td><td>(III)</td><td>Benzene</td></tr><tr><td>(D)</td><td>Phenol, $\text{ Conc. }{\mathrm{HNO}}_{3}$</td><td>(IV)</td><td>Picric acid</td></tr></tbody></table>Choose the correct answer from the options given below.

Match List - I with List - II. \(\begin{array}{|c|c|c|c|} \hline & \text { (Test) } & & \text { (Identification) } \\ \hline \text { (A) } & \text { Bayer's test MARKS } & \text { (I) } & \text { Phenol VIARKS } \\ \hline \text { (B) } & \text { Ceric ammonium nitrate test } & \text { (II) } & \text { Aldehyde } \\ \hline \text { (C) } & \text { Phthalein dye test } R \mathrm{~K} & \text { (III) } & \text { Alcoholic-OH group } \\ \hline \text { (D) } & \text { Schiff's test } & \text { (IV) } & \text { Unsaturation } \\ \hline \end{array}\) Choose the correct answer from the options given below :

Match List - I with List - II.  Choose the correct answer from the options given below :

Match List I with List I <table class="pyq-table"><tbody><tr><td></td><td>List I (Substances)</td><td></td><td>List II (Element Present)</td></tr><tr><td>A.</td><td>Ziegler catalyst</td><td>I.</td><td>Rhodium</td></tr><tr><td>B.</td><td>Blood Pigment</td><td>II.</td><td>Cobalt</td></tr><tr><td>C.</td><td>Wilkinson catalyst</td><td>III.</td><td>Iron</td></tr><tr><td>D.</td><td>Vitamin B12</td><td>IV.</td><td>Titanium</td></tr></tbody></table>Choose the correct answer from the options given below:

Match List I with List II \(\begin{array}{|l|l|c|l|} \hline & \text{List - I} & & \text{List - II} \\ \hline \text { A. } & \alpha \text { - Glucose and } \alpha \text { - Galactose } & \text { I. } & \text { Functional isomers } \\ \hline \text { B. } & \alpha \text { - Glucose and } \beta \text { - Glucose } & \text { II. } & \text { Homologous } \\ \hline \text { C. } & \alpha \text { - Glucose and } \alpha \text { - Fructose } & \text { III. } & \text { Anomers } \\ \hline \text { D. } & \alpha \text { - Glucose and } \alpha \text { - Ribose } & \text { IV. } & \text { Epimers } \\ \hline \end{array}\) Choose the correct answer from the options given below:

Match List I with List II \(\begin{array}{|l|l|l|l|} \hline & \text{ List - I (Test) } & & \text{List - II (Observation)} \\ \hline \text { A. } & \mathrm{Br}_2 \text { water test } & \text { I. } & \text { Yellow orange or orange red precipitate formed } \\ \hline \text { B. } & \text { Ceric ammonium nitrate test } & \text { II. } & \text { Reddish orange colour disappears } \\ \hline \text { C. } & \text { Ferric chloride test } & \text { III. } & \text { Red colour appears } \\ \hline \text { D. } & 2,4 \text { - DNP test } & \text { IV. } & \text { Blue, Green, Violet or Red colour appear } \\ \hline \end{array}\) Choose the correct answer from the options given below:

Match List I with List II \(\begin{array}{llll} \text{List - I} & \text{List - II} \\ \text{(Pair of compounds)} & \text{(Isomerism)} \\ \text{(A) n-propanol and Isopropanol} & \text{(I) Metamerism} \\ \text{(B) Methoxypropane and ethoxyethane} & \text{(II) Chain Isomerism} \\ \text{(C) Propanone and propanal} & \text{(III) Position Isomerism} \\ \text{(D) Neopentane and Isopentane} & \text{(IV) Functional Isomerism} \\ \end{array}\) Choose the correct answer from the options given below :

Match List – I with List –II.  Choose the correct answer from options given below:

Match List I with List II :  Choose the correct answer from the options given below :

Match List I with List II  Choose the correct answer from the options given below :-

Match List I with List II  Choose the correct answer from the options given below:

Match List I with List II <table class="pyq-table"><tbody><tr><td></td><td>LIST I (Technique)</td><td></td><td>LIST II (Application)</td></tr><tr><td>A.</td><td>Distillation</td><td>I.</td><td>Separation of glycerol from spent-lye</td></tr><tr><td>B.</td><td>Fractional distillation</td><td>II.</td><td>Aniline - Water mixture</td></tr><tr><td>C.</td><td>Steam distillation</td><td>III.</td><td>Separation of crude oil fractions</td></tr><tr><td>D.</td><td>Distillation under reduced pressure</td><td>IV.</td><td>Chloroform-Aniline</td></tr></tbody></table>Choose the correct answer from the options given below:

Match List-I with List-II. <table class="pyq-table"><tbody><tr><td></td><td>List I (Reaction)</td><td></td><td>List II (Reagent(s))</td></tr><tr><td>(A)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/6682bd29ba0e94a3c4025ae7/question_1__q_6682bd29ba0e94a3c4025ae7__cdn-question-pool.getmarks.app__4ea85857-a940-4754-a3d4-a08de9c2b296__8f044bd179_final_ppt_sync.png" alt="JEE Main 2024 Chemistry, Alcohols Phenols and Ethers — question figure 1"></td><td>(I)</td><td>${\mathrm{Na}}_{2}{\mathrm{Cr}}_{2}{O}_{7}/{H}_{2}{\mathrm{SO}}_{4}$</td></tr><tr><td>(B)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/6682bd29ba0e94a3c4025ae7/question_2__q_6682bd29ba0e94a3c4025ae7__cdn-question-pool.getmarks.app__befbe557-5214-4daf-a30c-b03d96e3a17e__ceab678820_final_ppt_sync.png" alt="JEE Main 2024 Chemistry, Alcohols Phenols and Ethers — question figure 2"></td><td>(II)</td><td>$\text{ (i) }\mathrm{NaOH}\text{ (ii) }{\mathrm{CH}}_{3}\mathrm{Cl}$</td></tr><tr><td>(C)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/6682bd29ba0e94a3c4025ae7/question_3__q_6682bd29ba0e94a3c4025ae7__cdn-question-pool.getmarks.app__a3b21d23-d4c8-4c2f-b5fd-a315c904538d__0a115f3d40_final_ppt_sync.png" alt="JEE Main 2024 Chemistry, Alcohols Phenols and Ethers — question figure 3"></td><td>(III)</td><td>(i)$\mathrm{NaOH},{\mathrm{CHCl}}_{3}$ (ii) $\mathrm{NaOH}$ (iii) $\mathrm{HCl}$</td></tr><tr><td>(D)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/6682bd29ba0e94a3c4025ae7/question_4__q_6682bd29ba0e94a3c4025ae7__cdn-question-pool.getmarks.app__4964f20f-70e7-48a0-b2fa-3c2be2c42805__0d15e338e8_final_ppt_sync.png" alt="JEE Main 2024 Chemistry, Alcohols Phenols and Ethers — question figure 4"></td><td>(IV)</td><td>(i) $\mathrm{NaOH}$ (ii) ${\mathrm{CO}}_{2}$ (iii) $\mathrm{HCl}$</td></tr></tbody></table>Choose the correct answer from the options given below:

Match List I with List II <table class="pyq-table"><tbody><tr><td></td><td>List-I</td><td></td><td>List-II</td></tr><tr><td>A.</td><td>Glucose/${\mathrm{NaHCO}}_{3}/\Delta$</td><td>I.</td><td>Gluconic acid</td></tr><tr><td>B.</td><td>Glucose/${\mathrm{HNO}}_{3}$</td><td>II.</td><td>No reaction</td></tr><tr><td>C.</td><td>Glucose/$\mathrm{HI}/\Delta$</td><td>III.</td><td>$n$-hexane</td></tr><tr><td>D.</td><td>Glucose/Bromine water</td><td>IV.</td><td>Saccharic acid</td></tr></tbody></table>Choose the correct answer from the options given below:

\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br}+\mathrm{NaOH} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}}\) Product 'A'  Consider the above reactions, identify product \(B\) and product \(C\).

\(\mathrm{X} \mathrm{g}\) of ethanamine was subjected to reaction with \(\mathrm{NaNO}_2 / \mathrm{HCl}\) followed by hydrolysis to liberate \(\mathrm{N}_2\) and \(\mathrm{HCl}\). The \(\mathrm{HCl}\) generated was completely neutralised by 0.2 moles of \(\mathrm{NaOH} . X\) is ______ g.

\(\mathrm{X} \mathrm{g}\) of ethylamine is subjected to reaction with \(\mathrm{NaNO}_2 / \mathrm{HCl}\) followed by water; evolved dinitrogen gas which occupied \(2.24 \mathrm{~L}\) volume at STP. \(\mathrm{X}\) is \(\qquad\) \(\times 10^{-1} \mathrm{~g}\).

Methods used for purification of organic compounds are based on :

$3-$Methylhex-2-ene on reaction with $\mathrm{HBr}$ in presence of peroxide forms an addition product (A). The number of possible stereoisomers for ' $A$ ' is ________.

$\mathrm{IUPAC}$ name of following compound (P) is :

Number of alkanes obtained on electrolysis of a mixture of ${\mathrm{CH}}_{3}\mathrm{COONa}$ and ${C}_{2}{H}_{5}\mathrm{COONa}$ is_____.

Number of amine compounds from the following giving solids which are soluble in \(\mathrm{NaOH}\) upon reaction with Hinsberg's reagent is _______ 

Number of carbocations from the following that are not stabilized by hyperconjugation is _______ 

Number of compounds among the following which contain sulphur as heteroatom is____. Furan,Thiophene, Pyridine, Pyrrole, Cysteine, Tyrosine

Number of compounds from the following which cannot undergo Friedel-Crafts reactions is: ________. toluene, nitrobenzene, xylene, cumene, aniline, chlorobenzene, \(m\)-nitroaniline, \(m\)-dinitrobenzene

Number of compounds which give reaction with Hinsberg's reagent is _________. 

Number of geometrical isomers possible for the given structure is/are _________. 

Number of isomeric products formed by monochlorination of $2$-methylbutane in presence of sunlight is _______.

Number of optical isomers possible for $2$ – chlorobutane ........

Number of \(\sigma\) and \(\pi\) bonds present in ethylene molecule is respectively :

On a thin layer chromatographic plate, an organic compound moved by $3.5\mathrm{cm}$, while the solvent moved by $5\mathrm{cm}$. The retardation factor of the organic compound is _____________$\times {10}^{-1}$

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results

Phenolic group can be identified by a positive:

Phthalimide is made to undergo following sequence of reactions.  Total number of \(\pi\) bonds present in product 'P' is/are ______

Product A and B formed in the following set of reactions are: 

Relative stability of the contributing structures is : 

Salicylaldehyde is synthesized from phenol, when reacted with

Structure of $4-\mathrm{Methylpent}-2-\mathrm{enal}$ is:

Sugar which does not give reddish brown precipitate with Fehling's reagent is:

The adsorbent used in adsorption chromatography is/are - A. silica gel B. alumina C. quick lime D. magnesia Choose the most appropriate answer from the options given below :

The arenium ion which is not involved in the bromination of Aniline is

The ascending acidity order of the following H atoms is 

The ascending order of acidity of $–\mathrm{OH}$ group in the following compounds is : (A) $\mathrm{Bu}–\mathrm{OH}$  Choose the correct answer from the options given below :

The azo-dye $(Y)$ formed in the following reactions is Sulphanilic acid $+{\mathrm{NaNO}}_{2}+{\mathrm{CH}}_{3}\mathrm{COOH}\rightarrow X$ 

The compound formed by the reaction of ethanal with semicarbazide contains _______ number of nitrogen atoms.

The correct nomenclature for the following compound is : 

The correct order of reactivity in electrophilic substitution reaction of the following compounds is: 

The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is: \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}, \mathrm{CH}_3 \mathrm{COOH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COOH}, \mathrm{HCOOH}\)

The correct stability order of carbocations is

The correct stability order of the following resonance structures of \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\) is 

The correct statement among the following, for a "chromatography" purification method is :

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ;

The difference in energy between the actual structure and the lowest energy resonance structure for the given compound is:

The final product A formed in the following multistep reaction sequence is 

The final product A, formed in the following reaction sequence is: 

The final product $A$, formed in the following multistep reaction sequence is: 

The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in the vapour phase. A suitable method for the extraction of these oils from the flowers is:

The functional group that shows negative resonance effect is:

The incorrect statement about Glucose is :

The incorrect statement regarding conformations of ethane is:

The incorrect statement regarding the geometrical isomers of 2-butene is :

The interaction between $\pi$ bond and lone pair of electrons present on an adjacent atom is responsible for

The major product of the following reaction is \(P\). \(\mathrm{CH}_3 \mathrm{C}=\mathrm{C}-\mathrm{CH}_3 \xrightarrow[\substack{\text { (ii) dil. } \mathrm{KMnO}_4 \\ 273 \mathrm{~K}}]{\text { (i) } \mathrm{Na} / \text { ing } \mathrm{NH}_3} '^{\prime}\) Number of oxygen atoms present in product ' \(\mathrm{P}\) ' is _______ (nearest integer)

The major product(P) in the following reaction is 

The major products formed :  \(\mathrm{A}\) and \(\mathrm{B}\) respectively are:

The major products from the following reaction sequence are product \(A\) and product B.  The total sum of \(\pi\) electrons in product \(A\) and product \(B\) are _______ (nearest integer)

The molecular formula of second homologue in the homologous series of mono carboxylic acids is _________.

The number of different chain isomers for \(\mathrm{C}_7 \mathrm{H}_{16}\) is \(\qquad\)

The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is _______ 

The number of optical isomers in following compound is: ________ 

The number of the correct reaction(s) among the following is ______ 

The number of tripeptides formed by three different amino acids using each amino acid once is _______.

The order of relative stability of the contributing structure is:  Choose the correct answer from the options given below:

The product (C) in the below mentioned reaction is: ${\mathrm{CH}}_{3}-{\mathrm{CH}}_{2}-{\mathrm{CH}}_{2}-\mathrm{Br}\rightarrow _{\Delta }^{{\mathrm{KOH}}_{(\mathrm{alc})}}A\overset{\mathrm{HBr}}{\rightarrow }B\rightarrow _{{\mathrm{KOH}}_{(\mathrm{aq})}}^{\Delta }C$

The product (C) in the following sequence of reactions has ______ \(\pi\) bonds. 

The product $A$ formed in the following reaction is: 

The product of the following reaction is $P$.  The number of hydroxyl groups present in the product $P$ is________.

The products A and B formed in the following reaction scheme are respectively 

The set of meta directing functional groups from the following sets is:

The technique used for purification of steam volatile water immiscible substance is:

The total number of carbon atoms present in tyrosine, an amino acid, is _______

The total number of correct statements, regarding the nucleic acids is _________. A. RNA is regarded as the reserve of genetic information. B. DNA molecule self-duplicates during cell division C. DNA synthesizes proteins in the cell. D. The message for the synthesis of particular proteins is present in DNA E. Identical DNA strands are transferred to daughter cells.

The total number of 'sigma' and 'Pi' bonds in 2-oxohex-4-ynoic acid is ______

Total number of aromatic compounds among the following compounds is ______. 

Total number of compounds with Chiral carbon atoms from following is  ${\mathrm{CH}}_{3}-{\mathrm{CH}}_{2}-\mathrm{CH}({\mathrm{NO}}_{2})-\mathrm{COOH}$ ${\mathrm{CH}}_{3}-\mathrm{CH}(I)-{\mathrm{CH}}_{2}-{\mathrm{NO}}_{2}$ ${\mathrm{CH}}_{3}-{\mathrm{CH}}_{2}-\mathrm{CHBr}-{\mathrm{CH}}_{2}-{\mathrm{CH}}_{3}$ ${\mathrm{CH}}_{3}-{\mathrm{CH}}_{2}-\mathrm{CH}(\mathrm{OH})-{\mathrm{CH}}_{2}\mathrm{OH}$ 

Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is 

Total number of essential amino acid among the given list of amino acids is _______ Arginine, Phenylalanine, Aspartic acid, Cysteine, Histidine, Valine, Proline

Total number of isomeric compounds (including stereoisomers) formed by monochlorination of $2$-methylbutane is ______.

Total number of optically active compounds from the following is ______ 

Total number of stereo isomers possible for the given structure : 

Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous \(\mathrm{NaOH}\) after heating gives \(x\) as the major product. The number of \(\pi\) bonds in the product \(x\) is _______

Two nucleotides are joined together by a linkage known as :

Type of amino acids obtained by hydrolysis of proteins is :

Using the given figure, the ratio of \(\mathrm{R}_f\) values of sample \(\mathrm{A}\) and sample \(\mathrm{C}\) is \(x \times 10^{-2}\). Value of \(x\) is ______ 

Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and \(\pi\) electrons is ______

Which among the following aldehydes is most reactive towards nucleophilic addition reactions?

Which among the following compounds will undergo fastest \(\mathrm{S}_{\mathrm{N}} 2\) reaction.

Which among the following halide/s will not show ${S}_{N}1$ reaction:

Which among the following has highest boiling point?

Which among the following is incorrect statement?

Which among the following purification methods is based on the principle of “Solubility” in two different solvents?

Which of the following are aromatic? 

Which of the following compound can give positive iodoform test when treated with aqueous \(\mathrm{KOH}\) solution followed by potassium hypoiodite.

Which of the following compound will most easily be attacked by an electrophile?

Which of the following compounds will give silver mirror with ammoniacal silver nitrate? A. Formic acid B. Formaldehyde C. Benzaldehyde D. Acetone Choose the correct answer from the options given below :

Which of the following gives a positive test with ninhydrin?

Which of the following has highly acidic hydrogen?

Which of the following is metamer of the given compound \((\mathrm{X})\) ? 

Which of the following is the correct structure of L-Glucose?

Which of the following molecule/species is most stable?

Which of the following nitrogen containing compound does not give Lassaigne's test?

Which of the following reaction is correct?

Which of the following statements are correct? A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point. B. Aniline can be purified by steam distillation as aniline is miscible in water. C. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope. D. An organic compound is pure, if mixed M.P. is remained same. Choose the most appropriate answer from the options given below :

Which one of the following reactions is NOT possible?

Which one of the following will show geometrical isomerism?

Which one the following compounds will readily react with dilute \(\mathrm{NaOH}\) ?

Which structure of protein remains intact after coagulation of egg white on boiling?