Consider the following species, (i) aq. NaCl (ii) aq. (ii…

Chemistry Electrochemistry All Topic Question for Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Consider the following species,

(i) aq. NaCl (ii) aq.
(iii) aq. (iv) aq.
(v) aq.

How many them will turn blue when placed in the copper vessel?

Text Solution

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The correct answer is:

Among the given species, only one, i.e. (ii) will turn blue when placed in the copper vessel

because Ag comes after Cu in electrochemical series.Thus, Cu is more reactive and can replace Ag from its solution.

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