Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Construct the galvanic cell by coupling the following pairs of electrodes Justify your answer:
(i) Cu(s)/Cu 2+ (aq), Ag + (aq)/Ag(s)
(ii) Zn(s)/Zn +2 (aq), Cu 2+ (aq)/Cu(s)
(iii) Mg(s)/Mg 2+ (aq), Ni(s)/Ni 2+ (aq)
= 0.34 V
= 0.80 V
= – 0.76 V
and 
= – 0.25 V
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i) Cu | Cu 2+ || Ag + | Ag 
= 0.46 V,
(ii) Zn | Zn 2+ || Cu 2+ | Cu 
= 1.1 V,
(iii) Mg | Mg 2+ || Ni 2+ | Ni 
= 2.12 V
Sol. Self Teacher
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