JEE Main 2025 — Electrochemistry Question with Solution
JEE Main 2025 (3 Apr Shift 2)
Question
The standard cell potential of a fuel cell based on the oxidation of methanol in air that has been used to power television relay station is measured as 1.21 V. The standard half cell reduction potential for is 1.229 V.
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Correct answer
AThe standard half cell reduction potential for the reduction of is 19 mV
Step-by-step explanation
Fuel cell involves oxidation of methanol which will occur at anode and reduction of will occur at cathode.
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This is a previous-year question from JEE Main 2025, 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.