JEE Main 2017ChemistryHydrogenMediumMCQ

JEE Main 2017Hydrogen Question with Solution

JEE Main 2017 (08 Apr Online)

Question

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?

Choose an option

Show full solutionCorrect option: C
Correct answer
CPbS+4H2O2PbSO4+4H2O

Step-by-step explanation

The reaction in which H2O2 is getting reduced, it will behave as oxidising agent.

2e-+2H++H2O22H2O   (reduction)

S-2+4H2OSO4-2+8H++8e-(oxidation)

Equation. 1×4+Equation.2 

Final reaction PbS+4H2O2PbSO4+4H2O

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About this question

This is a previous-year question from JEE Main 2017, covering the Hydrogen 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.