JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
 Product $[X]$ formed in the above reaction is:
Assertion A: Hydrolysis of an alkyl chloride is a slow reaction but in the presence of $\mathrm{NaI}$, the rate of hydrolysis increases. Reason R: ${I}^{-}$$^{ }$is a good nucleophile as well as a good leaving group. In the light of the above statements, choose the correct answer from the options given below.
The correct representation in six membered pyranose form for the following sugar [$X$] is 
In the following reaction, ‘$B$’ is 

Find out the major products from the following reactions. 
Maximum number of isomeric monochloro derivatives which can be obtained from 2,2,5,5- tetramethylhexane by chlorination is _________
The correct order of melting point of dichlorobenzenes is
$0.400g$ of an organic compound $(X)$ gave $0.376g$ of $\mathrm{AgBr}$ in Carius method for estimation of bromine. $%$ of bromine in the compound $(X)$ is (Given: Molar mass $\mathrm{AgBr}=188g{\mathrm{mol}}^{-1}$ $\mathrm{Br}=80g{\mathrm{mol}}^{-1})$
The major product ‘$P$’ formed in the given reaction is 
The major products ‘$A$’ and ‘$B$’, respectively, are 
The structures of major products $A,B$ and $C$ in the following reaction are sequence. 
 'X'
 In the above conversion of compound ($X$) to product ($Y$), the sequence of reagents to be used will be:
Given below are two statements : Statement I : Tropolone is an aromatic compound and has $8\pi$ electrons. Statement II : $\pi$ electrons of $>C=O$ group in tropolone is involved in aromaticity. 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:- Butylated hydroxyl anisole when added to butter increases its shelf life. Reason R:- Butylated hydroxyl anisole is more reactive towards oxygen than food. In the light of the above statements, choose the most appropriate answer from the options given below:-
For the given reaction  The, total number of possible products formed by tertiary carbocation of $A$ is$_______.$
The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement)
In the following halogenated organic compounds the one with maximum number of chlorine atoms in its structure is:
In Carius tube, an organic compound ' $X$ ' is treated with sodium peroxide to form a mineral acid ' $Y$ '. The solution of ${\mathrm{BaCl}}_{2}$ is added to ' $Y$ ' to form a precipitate ' $Z$ '. ' $Z$ ' is used for the quantitative estimation of an extra element. ' $X$ ' could be
$D-(+)-$Glyceraldehyde$\rightarrow _{\underset{\mathrm{iii}){\mathrm{HNO}}_{3}}{\mathrm{ii}){H}_{2}O/{H}^{+}}}^{i)\mathrm{HCN}}$ The products formed in the above reaction are
Uracil is base present in $\mathrm{RNA}$ with the following structure. $%\mathrm{of}N$ in uracil is _______. 
Cyclohexylamine when treated with nitrous acid yields (P). On treating (P) with PCC results in (Q). When (Q) is heated with dil. $\mathrm{NaOH}$ we get (R) The final product (R) is:
Total number of tripeptides possible by mixing of valine and proline is ________ .