JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
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:
Identify the product in the following reaction : 
Type of amino acids obtained by hydrolysis of proteins is :
Major product of the following reaction is: 
 The incorrect statement regarding the given structure is
Identify the reagents used for the following conversion 
Consider the given chemical reaction :  Product " \(\mathrm{A}\) " is :
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:
Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results
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:
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 :
The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ;
Sugar which does not give reddish brown precipitate with Fehling's reagent is:
The total number of 'sigma' and 'Pi' bonds in 2-oxohex-4-ynoic acid is ______
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).
The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is: \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}, \mathrm{CH}_3 \mathrm{COOH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COOH}, \mathrm{HCOOH}\)
Which structure of protein remains intact after coagulation of egg white on boiling?
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 :
Match List I with List II :  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 :
Total number of isomeric compounds (including stereoisomers) formed by monochlorination of $2$-methylbutane is ______.
Which of the following compound will most easily be attacked by an electrophile?
The major products formed :  \(\mathrm{A}\) and \(\mathrm{B}\) respectively are:
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.