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JEE Main 2021Electrochemistry Question with Solution

From: JEE Main 2021 (Online) 31st August Morning Shift

Question

Consider the following cell reaction :



The value of is 4.315 V at 25C. If H = 825.2 kJ mol1, the standard entropy change S in J K1 is ___________. (Nearest integer) [Given : Faraday constant = 96487 C mol1]

Enter your answer

Show full solutionCorrect answer: 25.11
Correct answer
25.11

Step-by-step explanation



S





JK1 mol1

Nearest integer answer is 25.

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About this question

This is a previous-year question from JEE Main 2021, 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.