JEE Main 2012 — Electrochemistry Question with Solution
JEE Main 2012 (07 May Online)
Question
A battery is constructed of and . The unbalanced chemical equation when such a battery discharges is following:
If one Faraday of electricity is passed through the battery during the charging, the number of moles of removed from the solution is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Reduction half reaction :
Oxidation half reaction :
Overall reaction :
of electricity moles of
of electricity moles of
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This is a previous-year question from JEE Main 2012, 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.