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Given that, E(Ni^(2+)//Ni)^(@)=-0.25 V...

Given that,
`E_(Ni^(2+)//Ni)^(@)=-0.25 V, E_(Cu^(2+)//Cu)^(@)=+0.34 V`
`E_(Ag^(+)//Ag)^(@)=+0.80 V, E_(Zn^(2+)//Zn)^(@)=-0.76 V`
Which of the following redox processes will not take place in 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.)+H_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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