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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

`Ni^(2+) (aq.)+Cu(s) rarr Ni(s) +Cu^(2+) (aq.)`

B

`Cu(s)+2Ag^(+)(aq.) rarr Cu^(2+) (aq.)+2Ag(s)`

C

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

D

`Zn(s)+2H^(+)(aq.) rarr Zn^(2+) (aq.)+3H_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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