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The standard e.m.f. of the cell involvin...

The standard e.m.f. of the cell involving the reaction `2Ag^(+) (aq)+H_2(g)→2Ag(s)+2H^(+)` (aq), is 0.80 V. The standard oxidation potential of Ag electrode is

A

0.80V

B

`-0.80V`

C

`0.40V`

D

`0.20V`.

Text Solution

Verified by Experts

The correct Answer is:
B
Reduction potential of Ag=0.80V
Oxidation potential of `Ag= -0.80V`
Reduction potential and oxidation potential are having same value but opposite signs.
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