Q.

The standard EMF for the cell reaction, Zn+Cu2+⇔Cu+Zn2+ is 1.10 volt at 25∘C. The EMF for the cell reaction, when 0.1 Cu2+ and 0.1MZn2+ solutions are used, at 25°C is:

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a

1.10V

b

0.110V

c

-1.10V

d

-0.110V

answer is 1.

(Detailed Solution Below)

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Detailed Solution

Ecell =Ecell ∘+0.0592log⁡Cu2+Zn2+=1.10+0=1.10
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