NEET UG Chemistry — Organic Chemistry previous year questions with solutions.
Identify the product in the following reaction 
 Identify A and B
Which is not an electrophile?
Identify the final product [D] obtained in the following sequence of reactions. ${\mathrm{CH}}_{3}\mathrm{CHO}\rightarrow _{{H}_{3}{O}^{+}}^{i){\mathrm{LiAlH}}_{4}}[A]\rightarrow _{\Delta }^{{H}_{2}{\mathrm{SO}}_{4}}[B]\overset{\mathrm{HBr}}{\rightarrow }[C]\rightarrow _{\mathrm{Na}/\mathrm{Dry}\mathrm{ether}}^{{C}_{6}{H}_{5}\mathrm{Br}}[D]$
Which amongst the following will be most readily dehydrated under acidic conditions?
The correct order for the rate of $\alpha, \beta$-dehydrohalogenation for the following compounds is 
(i)  (ii)  (iii)  (iv)  (v)  (vi)  (vii)  The number of compounds/species which obey Huckel's rule is _____
$\mathrm{R}-\mathrm{COOH} \frac{\text { (i) "X" }}{\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{HCl}} \mathrm{R}-\mathrm{CH}_2 \mathrm{OH}$ $\mathrm{R}-\mathrm{CH}=\mathrm{CH}_2 \frac{\text { (i) " X" }}{\text { (ii) } \mathrm{H}_2 \mathrm{O}, \mathrm{NaOH}, \mathrm{H}_2 \mathrm{O}_2} \mathrm{R}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$ Identify ' $X$ ' in above reactions.
Which amongst the following compounds/species is least basic?
The major product formed in the following conversion is 
The product formed from the following reaction sequence is 
The correct IUPAC name of the following compound is: 
Given below are two statements: Statement I: The acidic strength of mono substituted nitrophenol is higher than phenol because of electron withdrawing nitro group. Statement II: $o$-nitrophenol, $m$-nitrophenol and $p$-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring. In the light of the above statements, choose the most appropriate answer from the options given below :
Which of the following reactions is not an example for nucleophilic addition-elimination reaction?
Which one of the following reaction sequence is incorrect method to prepare phenol?
DNA contains which sugar?
IUPAC name of CH₃COCH₃ is
The incorrect statement about denaturation of proteins is
The product formed from the following reaction sequence is: 
The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?
The incorrect method for the synthesis of alkenes is:
$\mathrm{RMgX}+{\mathrm{CO}}_{2}\rightarrow _{\mathrm{ether}}^{\mathrm{dry}}Y\overset{{H}_{3}{O}^{+}}{\longrightarrow }\mathrm{RCOOH}$ What is $Y$ in the above reaction?
The incorrect statement regarding enzymes is: