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Given that, Ni^(2+)//Ni=0.25 V, Cu^(2+...

Given that,
`Ni^(2+)//Ni=0.25 V, Cu^(2+)//Cu=0.34 V`,
`Ag^(+)//Ag=0.80 V` and `Zn^(2+)//Zn=-0.76 V`
Which of the following reaction under standard condition will not take place in the specified direction ?

A

`Cu(s) + 2 Ag^(+) (aq) to Cu^(2+) (aq) + 2 Ag (s)`

B

`Zn (s) + Ni^(2+) (aq) to Zn^(2+) (aq) + Ni (s)`

C

`Cu (s) + Ni^(2+) (aq) to Cu^(2+) (aq) + Ni (s)`

D

`Cu (s) + 2 H^(+) (aq) to Cu^(2+) (aq) + H_(2) (g)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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