JEE Main 2021ChemistryGeneral Organic ChemistryHardMCQ

JEE Main 2021 — General Organic Chemistry Question with Solution

JEE Main 2021 (18 Mar Shift 1)

Question

Reagent, 1-naphthylamine and sulphanilic acid in acetic acid is used for the detection of

Choose an option

Show full solutionCorrect option: D
Correct answer
DNO2-

Step-by-step explanation

For detection of NO2-, the following test is used. NO2-+CH3COOH→HNO2+CH3COO-

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About this question

This is a previous-year question from JEE Main 2021, covering the General Organic Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.