JEE Main 2023 — Electrochemistry Question with Solution
JEE Main 2023 (13 Apr Shift 1)
Question
A metal surface of area has to be coated with nickel layer of thickness A current of was passed through a solution of for seconds to coat the desired layer. The value of is _________. (Nearest integer)
( (density of Nickel) is Molar mass of Nickel is )
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Show full solutionCorrect answer: 16
Step-by-step explanation
One equivalent of substance deposited for (one Faraday).
Columbus of charge can be utilised to get of substance.
Millimoles of coated
Mass of
Volume
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This is a previous-year question from JEE Main 2023, 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.