JEE Main 2012 — Redox Reactions Question with Solution
JEE Main 2012 (12 May Online)
Question
In the following balanced reaction,

values of and respectively are

values of and respectively are
Choose an option
Show full solutionCorrect option: A
Correct answer
A2,5,16
Step-by-step explanation
First half reaction
On balancing
Second half reaction
On balancing
On multiplying eqn. (ii) by 5 and (iv) by 2 and then adding we get
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This is a previous-year question from JEE Main 2012, covering the Redox Reactions 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.