NEET UG Chemistry — Organic Chemistry previous year questions with solutions.
Consider the following compounds  Hyperconjugation occurs in:
Which one of the following esters gets hydrolyzed most easily under alkaline conditions?
Which of the following reaction(s) can be used for the preparation of alkyl halides? I. $C{H}_{3}C{H}_{2}OH+HCl\overset{Anhyd. ZnC{l}_{2}}{\rightarrow }$ II. $C{H}_{3}C{H}_{2}OH+HCl\longrightarrow$ III. ${(C{H}_{3})}_{3}COH+HCl\longrightarrow$ IV. ${(C{H}_{3})}_{2}CHOH+HCl\overset{Anhyd. ZnC{l}_{2}}{\rightarrow }$
2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?
Two possible stereo-structures of $C{H}_{3}CHOHCOOH$, which are optically active, are called:
Which of the following statements is not correct for a nucleophile?
Given,  Which of the given compounds can exhibit tautomerism?
An organic compound 'X' having molecular formula ${C}_{5}{H}_{10}O$ yields phenyl hydrazone and gives negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. 'X' could be:
Which of the following is the most correct electron displacement for a nucleophile reaction to take place?
The functional group which is formed when Phenol is made to react with Chloroform in the presence of dilute Sodium hydroxide
Which of the following will not be soluble in sodium hydrogen carbonate?
Among the following sets of reactions, which one produces anisole?
In the Kjedahl's method for estimation of nitrogen present in soil sample, ammonia evolved from $0.75g$ of sample neutralized $10ml$ of $1M {H}_{2}{SO}_{4}$ The percentage of nitrogen in the soil is:
Which of the following will be most stable diazonium salt $R{N}_{2}^{+}{X}^{-}$ ?
$D(+)$ glucose reacts with hydroxyl amine and yield an oxime. The structure of the oxime would be:
Which product is formed when the following compound is treated with ${Br}_{2}$ in the presence of $FeB{r}_{3}$? 
In the following reaction, the product $(A)$ 
Identify $Z$ in the sequence of reactions: 
Which of the following compounds will undergo racemisation when solution of $KOH$ hydrolyses? (i)  (ii) $C{H}_{3}C{H}_{2}C{H}_{2}Cl$ (iii)  (iv) 
Which one is most reactive towards Nucleophilic addition reaction?
Reaction by which benzaldehyde cannot be prepared?
Nitrobenzene on reaction with conc. $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$ at $80-100^{\circ} \mathrm{C}$ forms which one of the following products?
Homolytic fission of the following alkanes forms free radicals $\mathrm{CH}_3-\mathrm{CH}_3$, $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_3,\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{CH}_3$, $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}\left(\mathrm{CH}_3\right)_2$. Increasing orders of stability of the radicals is:
In the reaction,  $A$ is