JEE Mains JEE Advance BITSAT
JEE Mains | PYQ

Year

All years 2026 2025 2024 2023 2022 2021

Consider the following reaction

The correct statement for product B is. It is:

Benzyl isocyanide can be obtained by:

Choose the correct answer from the options given below:

Match List I and List II:

On complete combustion, \( 0.492 \, \text{g} \) of an organic compound gave \( 0.792 \, \text{g} \) of \( \text{CO}_{2} \). The \( \% \) of carbon in the organic compound is ______ (Nearest integer).

How many of the transformations given below would result in aromatic amines?

Number of compounds from the following which will not dissolve in cold \( \mathrm{NaHCO_3} \) and \( \mathrm{NaOH} \) solutions but will dissolve in hot \( \mathrm{NaOH} \) solution is ________.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: can be easily reduced using \( \mathrm{Zn\!-\!Hg/HCl} \) to.
Reason R: \( \mathrm{Zn\!-\!Hg/HCl} \) is used to reduce carbonyl group to \( \mathrm{–CH_2–} \) group.
In the light of the above statements, choose the correct answer from the options given below:

An organic compound ‘A’ with empirical formula \( \mathrm{C_6H_6O} \) gives sooty flame on burning. Its reaction with bromine solution in low polarity solvent results in high yield of B. B is:

Match items of column I and II.

Decreasing order towards \( \mathrm{S_N1} \) reaction for the following compounds is:

Testosterone, which is a steroidal hormone, has the following structure.

The total number of asymmetric carbon atom/s in testosterone is \( \_\_\_\_\_ \).

Following chromatogram was developed by adsorption of compound ‘A’ on a \( 6 \, \text{cm} \) TLC glass plate. Retardation factor of the compound ‘A’ is ______ \( \times 10^{-1} \).

Identify the correct order for the given property for following compounds.

The most stable carbocation for the following is:

A trisubstituted compound ‘A’, \( \mathrm{C_{10}H_{12}O_2} \) gives neutral \( \mathrm{FeCl_3} \) test positive. Treatment of compound ‘A’ with \( \mathrm{NaOH} \) and \( \mathrm{CH_3Br} \) gives \( \mathrm{C_{11}H_{14}O_2} \), with hydroiodic acid gives methyl iodide and with hot conc. \( \mathrm{NaOH} \) gives a compound B, \( \mathrm{C_{10}H_{12}O_2} \). Compound ‘A’ also decolorizes alkaline \( \mathrm{KMnO_4} \). The number of \( \pi \) bond(s) present in the compound ‘A’ is ________.

The correct order of \( \mathrm{p}K_a \) values for the following compounds is:

Consider the above reaction and identify the product B.

The graph which represents the following reaction is:

← PreviousQuestion 17 of 18Next →

JEE Main 2023 31st Jan Morning Shift

Consider the above reaction and identify the product B.