JEE Main 2020 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 2 September 2020, Shift 1, Chemistry Q35

Question 35 of 75 in this shift, Chemistry question 10 of 25.

On heating compound (A) gives a gas (B) which is a constituent of air. This gas when treated with

\mathrm{H_2}

in the presence of a catalyst gives another gas (C) which is basic in nature. (A) should not be :

(1) $\mathrm{NH_4NO_2}$
(2) $\mathrm{(NH_4)_2Cr_2O_7}$
(3) $\mathrm{NaN_3}$
(4) $\mathrm{Pb(NO_3)_2}$ Official answer

Official answer

Option 4

NTA final key (Sep 2020).

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

Same idea in other shifts

Asked 4× in all

28 Jul 2022, Shift 1 · Q69Match List - I with List - II, match the gas evolved during each reaction. List - I | List - II (A)…MediumMatch the list
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28 Jun 2022, Shift 1 · Q66Nitrogen gas is obtained by thermal decomposition ofEasySingle correct

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.