Organic Chemistry PYQ — Page 17

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

Example of vinylic halide is

Identify the major product in the following reaction. 

\(\mathrm{X} \mathrm{g}\) 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.

 This reduction reaction is known as:

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

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

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

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

Which of the following are aromatic? 

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

 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 ______.

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 \(\mathrm{V}=23, \mathrm{Mn}=25, \mathrm{Cr}=24\))

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

The correct stability order of carbocations 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:

Total number of optically active compounds from the following is ______ 

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

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

Which one of the following will show geometrical isomerism?

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:

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

Identify the product in the following reaction : 

Type of amino acids obtained by hydrolysis of proteins is :