JEE Main 2021 — Electrochemistry Question with Solution
From: JEE Main 2021 (Online) 1st September Evening Shift
Question
If the conductivity of mercury at 0C is 1.07 106 S m1 and the resistance of a cell containing mercury is 0.243, then the cell constant of the cell is x 104 m1. The value of x is ____________. (Nearest integer)
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Show full solutionCorrect answer: 26
Correct answer
26
Step-by-step explanation
Conductance (G) is reciprocal of resistance (R)
or
Relation between conductance (G),
conductivity () and cell constant is given as
or
Relation between conductance (G),
conductivity () and cell constant is given as
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This is a previous-year question from JEE Main 2021, 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.