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JEE Main 2020 — Electrochemistry Question with Solution

JEE Main 2020 (05 Sep Shift 1)

Question

An oxidation-reduction reaction in which 3 electrons are transferred has a ΔG0 of 17.37 kJ mol-1 at 25°C. The value of Ecello (in V) is _______×10−2.

1F=96500 C mol−1

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Show full solutionCorrect answer: -6
Correct answer
-6

Step-by-step explanation

ΔG°=−nF Ecello

17.37×103=−3×96500×Ecello

Ecell=−0.06 V

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About this question

This is a previous-year question from JEE Main 2020, 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.