JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 28 June 2022, Shift 1, Chemistry Q65

Question 65 of 90 in this shift, Chemistry question 5 of 30, Section A.

Dihydrogen reacts with CuO to give

(1) $\mathrm{CuH_2}$
(2) $\mathrm{Cu}$ Official answer
(3) $\mathrm{Cu_2O}$
(4) $\mathrm{Cu(OH)_2}$

Official answer

Option 2

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Reducing Action on Metal Oxides

Same topic in other shifts

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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.