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E("red")^@ of different half cells are g...

`E_("red")^@` of different half cells are given below :
`E_(Cu^(2+)//Cu)^@ =0.34 V, E_(Zn^(+2)//Zn)^@` =-0.76 V,E_(Ag^+//Ag)^@ =0.80 V, E_(Mg^(+2)//Mg)^@ = -2.37 V`.
In which cell is `Delta G^@` most negative ?

A

`Zn|Zn^(2+)(1 M) || Ag^+(1M)|Ag`

B

`Cu|Cu^+2 (1M) || Ag^+ (1M)|Ag`

C

`Ag|Ag^+ (1M) || Mg^(+2) (1M)| Mg`

D

`Zn| Zn^(+2)(1M) || Mg^(+2) (1 M)|Mg`

Text Solution

Verified by Experts

The correct Answer is:
A
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