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The standard reduction potential for Zn^...

The standard reduction potential for `Zn^(2+)//Zn, Ni^(2+)//Ni` and `Fe^(2+)//Fe` are `-0.76, -0.23` and `-0.44V` respectively. The reaction `X + Y^(2) rarr X^(2+) + Y` will be spontaneous when:

A

`X = Ni, Y = Fe`

B

X = Ni,Y = Zn

C

X = Fe, (d) Y = Zn

D

X = Zn, Y = Ni

Text Solution

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The correct Answer is:
D
Properties of ionic solid
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