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Consider the reaction 2 Ag^+("(aq)") ...

Consider the reaction ` 2 Ag^+_("(aq)") + Cd_("(s)") to 2 Ag ("(s)") + Cd ^( +2 ) _ ("(aq)") `. The standard electrode potential for ` Ag ^+|Ag and Cd ^ ( + 2 ) | Cd ` coples are + 0.80 volt and -0.40 volt respectively. The standard cell potential for this reaction will be

A

1.02 volt

B

`-1.02` volt

C

`+1.20` volt

D

0.40 volt

Text Solution

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The correct Answer is:
C
`+1.20` volt
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