JEE Main 2002 — Electrochemistry Question with Solution
From: AIEEE 2002
Question
For the following cell with hydrogen electrodes at two different pressure p1 and p2. What will be the emf for the given cell :
\eqalign{ & Pt({H_2})|{H^ + }(aq)|Pt({H_2}) \cr & \,\,\,\,\,{p_1}\,\,\,\,\,\,\,\,\,\,\,\,\,\,1M\,\,\,\,\,\,\,\,\,\,\,\,{p_2} \cr}
\eqalign{ & Pt({H_2})|{H^ + }(aq)|Pt({H_2}) \cr & \,\,\,\,\,{p_1}\,\,\,\,\,\,\,\,\,\,\,\,\,\,1M\,\,\,\,\,\,\,\,\,\,\,\,{p_2} \cr}
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Oxidation half cell : -
Reduction half cell
The net cell reaction
or
Reduction half cell
The net cell reaction
or
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This is a previous-year question from JEE Main 2002, 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.