JEE Main 2022Chemistryd and f Block ElementsEasyMCQ

JEE Main 2022d and f Block Elements Question with Solution

JEE Main 2022 (28 Jun Shift 1)

Question

Dihydrogen reacts with CuO to give

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Show full solutionCorrect option: B
Correct answer
BCus

Step-by-step explanation

CuOH2Cu+H2O

Copper oxide undergoes reduction to form elemental copper and water. This is a redox reaction. Since oxygen is removed from the CuO it is undergoing reduction. And hydrogen is getting oxidised.

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About this question

This is a previous-year question from JEE Main 2022, covering the d and f Block Elements 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.