JEE Main 2017ChemistryElectrochemistryMediumMCQ

JEE Main 2017Electrochemistry Question with Solution

JEE Main 2017 (09 Apr Online)

Question

Which of the following ions does not liberate hydrogen gas on reaction with dilute acids?

Choose an option

Show full solutionCorrect option: C
Correct answer
CMn2+

Step-by-step explanation

Mn2+ does not displace H2 from dilute acid because they are less reactive SRPvalue

Given below are SRP values,
H2O|H2=-0.8277, Mn2+|Mn=-1.185 V

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About this question

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