JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 28 June 2022, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Nitrogen gas is obtained by thermal decomposition of

(1) $\mathrm{Ba(NO_3)_2}$
(2) $\mathrm{Ba(N_3)_2}$ Official answer
(3) $\mathrm{NaNO_2}$
(4) $\mathrm{NaNO_3}$

Official answer

Option 2

NTA final key.

Chapter: The p-Block Elements
Topic: Group 15 & 16
Idea tested: Preparation of Dinitrogen

Same idea in other shifts

Asked 4× in all

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