JEE Main 2010 — Electrochemistry Question with Solution
From: AIEEE 2010
Question
The Gibbs energy for the decomposition of Al2O3 at 500oC is as follows :
, = + 966 kJ mol–1
The potential difference needed for electrolytic reduction of Al2O3 at 500oC is at least :
, = + 966 kJ mol–1
The potential difference needed for electrolytic reduction of Al2O3 at 500oC is at least :
Choose an option
Show full solutionCorrect option: C
Correct answer
C2.5 V
Step-by-step explanation
or
The potential difference needed for the reduction
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This is a previous-year question from JEE Main 2010, 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.