JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
Which of the following amines can be prepared by Gabriel phthalimide reaction?
An ‘Assertion’ and a ‘Reason’ is given below. Choose the correct answer from the following options: Assertion $(A)$: Vinyl halides do not undergo nucleophilic substitution easily. Reason $(R)$: Even though the intermediate carbocation is stabilized by loosely held $\pi -$ electrons, the cleavage is difficult because of the strong bonding.
Which of the following compounds is not aromatic?
The increasing order of the $pKa$ values of the following compounds is: 
The decreasing order of ease of alkaline hydrolysis for the following esters is 
What is the IUPAC name of the following compound? 
The increasing order of nucleophilicity of the following nucleophiles is; 
Which of the following is the correct structure of adenosine?
Which of the following compounds will most readily be dehydrated to give alkene under acidic condition?
Which of the following will not exist in zwitter ionic form at $\mathrm{pH}=7$ ?
The increasing order of nitration of the following compounds is : 
The predominant form of histamine present in human blood is $({\mathrm{pK}}_{a},\mathrm{Histidine}=60)$
The major product of the following reaction is: 
The major product of the following reaction is 
The increasing order of basicity of the following compounds is : 
When 2-butyne is treated with $\mathrm{H}_2$ /Lindlar's catalyst, compound $\mathrm{X}$ is produced as the major product and when treated with $\mathrm{Na}$ /liq. $\mathrm{NH}_3$ it produces $\mathrm{Y}$ as the major product. Which of the following statements is correct?
Which of the following will most readily give the dehydrohalogenation product?
The correct match between items of List-I and List-II is <table class="pyq-table"><tbody><tr><td></td><td>List - I</td><td></td><td>List - II</td></tr><tr><td>(A)</td><td>Coloured impurity</td><td>(P)</td><td>Steam distillation</td></tr><tr><td>(B)</td><td>Mixture of o – nitrophenol and p –nitrophenol</td><td>(Q)</td><td>Fractional distillation</td></tr><tr><td>(C)</td><td>Crude Naphtha</td><td>(R)</td><td>Charcoal treatment</td></tr><tr><td>(D)</td><td>Mixture of glycerol and sugars</td><td>(S)</td><td>Distillation under reduced pressure</td></tr></tbody></table>
Phenol on treatment with $C{O}_{2}$ in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with ${(C{H}_{3}CO)}_{2}$O in the presence of catalytic amount of ${H}_{2}S{O}_{4}$ produces:
The total number of optically active compounds formed in the following reaction is: 
Which of the following will most readily give the dehydrohalogenation product?
The major product of the following reaction is: 
The major product of the following reaction is: 
The reagent(s) required for the following conversion are: 