Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The solution in a beaker turns blue if.
A
Cu electrode is placed in 
solution
solution
B
Cu electrode is placed in 
solution
solution
C
Cu electrode is placed in 
solution
solution
D
Cu electrode is placed in 
solution.
solution.
Text Solution
Verified by ExpertsThe correct answer is:
B
Cu being more reactive than Ag due to lower electrode potential displaces Ag from 
solution. It is dissolved in the solution in the form of 
ions.
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