JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 28 June 2022, Shift 1, Chemistry Q77

Question 77 of 90 in this shift, Chemistry question 17 of 30, Section A.

A primary aliphatic amine on reaction with nitrous acid in cold (273 K) and there after raising temperature of reaction mixture to room temperature (298 K), gives a/an

(1)nitrile
(2)alcoholOfficial answer
(3)diazonium salt
(4)secondary amine

Official answer

Option 2

NTA final key.

Chapter: Amines
Topic: Amines
Idea tested: Reaction of Primary Aliphatic Amines with HNO2

Same idea in other shifts

Asked 3× in all

4 Apr 2024, Shift 1 · Q90X g of ethylamine is subjected to reaction with $\mathrm{NaNO_2}$ /HCl followed by water; evolved dinitrogen gas which occupied 2.24 L…EasyNumerical value
5 Apr 2024, Shift 2 · Q90X g of ethanamine was subjected to reaction with $\mathrm{NaNO_2/HCl}$ followed by hydrolysis to liberate $\mathrm{N_2}$ and HCl. The HCl…EasyNumerical value

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 108 of the 174 JEE Main shifts held from 2017 to 2026.