JEE Main 2026 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 5 April 2026, Shift 1, Chemistry Q73

Question 73 of 75 in this shift, Chemistry question 23 of 25, Section B.

One mole of phenol is treated with dilute

\mathrm{HNO_3}

at 298 K to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound (X) is separated. The increase in percentage of oxygen in (X) with respect to phenol is ________

\times 10^{-1}

% (Given molar mass in g mol

^{-1}

H:1, C:12, N:14, O:16)

Official answer

175

NTA final key.

Chapter: Alcohols, Phenols and Ethers
Topic: Alcohols and Phenols
Idea tested: Phenol Nitration and Steam Volatility

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.