NEET UG Chemistry — Organic Chemistry previous year questions with solutions.
Reaction between benzaldehyde and acetophenone in presence of dilute $\text{NaOH}$ is known as
Identify compound (A) in the following reaction : 
Which of the following will NOT undergo ${S}_{N}1$ reaction with ${\mathrm{OH}}^{-}?$
Identify compound $\text{X}$ in the following sequence of reactions 
Which of the following substituted phenols is the strongest acid?
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give:
Sucrose on hydrolysis gives
Which of the following is a basic amino acid?
The reaction of concentrated sulphuric acid with carbohydrates $({C}_{12}{H}_{22}{O}_{11})$ is an example of
The major product of the following reaction is: 
Which structure(s) of proteins remains(s) intact during denaturation process?
The most stable carbocation, among the following is
The reaction that does not give benzoic acid as the major product is
An alkene $'A'$ on reaction with ${O}_{3}$ and $Zn-{H}_{2}O$ gives propanone and ethanal in equimolar ratio. Additional of $HCl$ to alkene $'A'$ gives $'B'$ as the major product. The structure of product $'B'$ is:
When vapours of a secondary alcohol is passed over heated copper at $573 \mathrm{~K}$, the product formed is
The compound that is most difficult to protonate is:
The correct order of the basis strength of methyl substituted amines in aqueous solution is:
The most suitable reagent for the following conversion, is: 
The major products $C$ and $D$ formed in the following reactions respectively are $\mathrm{H}_3 \mathrm{C}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OC}\left(\mathrm{CH}_3\right)_3 \stackrel{\text { Excess HII }}{\longrightarrow} \mathrm{C}+\mathrm{D}$
Among the following, the reaction that proceeds through an electrophilic substitution, is:
The hydrolysis reaction that takes place at the slowest rate, among the following is
The structure of intermediate A in the following reaction, is: 
In the following reaction,  the number of sigma( $\sigma$ ) bonds present in the product $A$ is
The non-essential amino acid among the following is: