JEE Main Chemistry — Organic Chemistry previous year questions with solutions.
Given below are two statements: Statement (I) : The ${\mathrm{NH}}_{2}$ group in Aniline is ortho and para directing and a powerful activating group. Statement (II) : Aniline does not undergo FriedelCraft's reaction (alkylation and acylation). In the light of the above statements, choose the most appropriate answer from the options given below:
Total number of stereo isomers possible for the given structure : 
Identify the product A and product B in the following set of reactions. 
Highest enol content will be shown by :
Which of the following molecule/species is most stable?
Match List I with List II <table class="pyq-table"><tbody><tr><td></td><td>LIST I (Technique)</td><td></td><td>LIST II (Application)</td></tr><tr><td>A.</td><td>Distillation</td><td>I.</td><td>Separation of glycerol from spent-lye</td></tr><tr><td>B.</td><td>Fractional distillation</td><td>II.</td><td>Aniline - Water mixture</td></tr><tr><td>C.</td><td>Steam distillation</td><td>III.</td><td>Separation of crude oil fractions</td></tr><tr><td>D.</td><td>Distillation under reduced pressure</td><td>IV.</td><td>Chloroform-Aniline</td></tr></tbody></table>Choose the correct answer from the options given below:
IUPAC name of following hydrocarbon \((X)\) is : 
In the given compound, the number of \(2^{\circ}\) carbon atom \(/ \mathrm{s}\) is _______. 
The azo-dye $(Y)$ formed in the following reactions is Sulphanilic acid $+{\mathrm{NaNO}}_{2}+{\mathrm{CH}}_{3}\mathrm{COOH}\rightarrow X$ 
From the vitamins $A,{B}_{1},{B}_{6},{B}_{12},C,D,E$ and $K$, the number vitamins that can be stored in our body is ______.
The final product A formed in the following multistep reaction sequence is 
The total number of correct statements, regarding the nucleic acids is _________. A. RNA is regarded as the reserve of genetic information. B. DNA molecule self-duplicates during cell division C. DNA synthesizes proteins in the cell. D. The message for the synthesis of particular proteins is present in DNA E. Identical DNA strands are transferred to daughter cells.
According to IUPAC system, the compound  is named as:
\(9.3 \mathrm{~g}\) of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100\% yield/conversion) is _______ g. (nearest integer)
Among the given organic compounds, the total number of aromatic compounds is 
Identify the product \((\mathrm{P})\) in the following reaction: 
Which of the following reaction is correct?
Number of alkanes obtained on electrolysis of a mixture of ${\mathrm{CH}}_{3}\mathrm{COONa}$ and ${C}_{2}{H}_{5}\mathrm{COONa}$ is_____.
Which one the following compounds will readily react with dilute \(\mathrm{NaOH}\) ?
Which of the following gives a positive test with ninhydrin?
Correct order of stability of carbanion is - 
Match List I with List II \(\begin{array}{|l|l|l|l|} \hline & \text{ List - I (Test) } & & \text{List - II (Observation)} \\ \hline \text { A. } & \mathrm{Br}_2 \text { water test } & \text { I. } & \text { Yellow orange or orange red precipitate formed } \\ \hline \text { B. } & \text { Ceric ammonium nitrate test } & \text { II. } & \text { Reddish orange colour disappears } \\ \hline \text { C. } & \text { Ferric chloride test } & \text { III. } & \text { Red colour appears } \\ \hline \text { D. } & 2,4 \text { - DNP test } & \text { IV. } & \text { Blue, Green, Violet or Red colour appear } \\ \hline \end{array}\) Choose the correct answer from the options given below:
Consider the given chemical reaction sequence :  Total sum of oxygen atoms in Product A and Product B are _______
In the given reactions identify the reagent $A$ and reagent $B$ 