JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
Identify major product ‘$P$’ formed in the following reaction. 
From the compounds given below, number of compounds which give positive Fehling's test is Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde.
Product A and B formed in the following set of reactions are: 
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 ______ 
 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 ______.
Correct order of basic strength of Pyrrole  , Pyridine , and Piperidine 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 number of different chain isomers for \(\mathrm{C}_7 \mathrm{H}_{16}\) is \(\qquad\)
The set of meta directing functional groups from the following sets is:
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:
The ascending acidity order of the following H atoms is 
The interaction between $\pi$ bond and lone pair of electrons present on an adjacent atom is responsible for
Bond line formula of $\mathrm{HOCH}(\mathrm{CN}{)}_{2}$ is:
The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is _______ 
Cyclohexene  is _________ type of an organic compound.
$\mathrm{IUPAC}$ name of following compound (P) is :
Total number of optically active compounds from the following is ______ 
The incorrect statement regarding the geometrical isomers of 2-butene is :
Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and \(\pi\) electrons is ______
The number of optical isomers in following compound is: ________ 
The product (C) in the following sequence of reactions has ______ \(\pi\) bonds. 
Which one of the following will show geometrical isomerism?