JEE Main 2014 — Electrochemistry Question with Solution
JEE Main 2014 (12 Apr Online)
Question
How many electrons would be required to deposit of copper at the cathode during the electrolysis of an aqueous solution of copper sulphate? (Atomic mass of copper Avogadro's constant):
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
i.e, to deposit 1 mole of at cathode from solution moles of electrons are required
i.e, To deposit
moles
Thus total no. of electrons required
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This is a previous-year question from JEE Main 2014, 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.