Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The 
of different types of half cells are as follows :
A B C D
1 x 10 -4 2 x 10 -4 0.1 x 10 -4 0.2 x 10 -4
(Where E is the electromotive force) Which of the above half cells would be preferred to be used as reference electrode ?
Text Solution
Verified by ExpertsThe correct answer is:
C
A cell with less variation in EMF with temperature is preferred as reference electrode because it can be used for wider range of temperature without much derivation from standard value so a cell with less
is preferred.
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