| Consider the following |
| \[Z{{n}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Zn(s);{{E}^{o}}=-0.76V\] |
| \[C{{a}^{2}}+2{{e}^{-}}\xrightarrow{{}}Ca(s);E{}^\circ =-2.87V\] |
| \[M{{g}^{2+}}2{{e}^{-}}\xrightarrow{{}}Mg(s);E{}^\circ =-236V\] |
| \[N{{i}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Ni(s);E{}^\circ =-0.25V\] |
| The reducing nature of the power of the metals increases in the order: |
A) \[Ca<Zn<mg<Ni\]
B) \[Ni<Zn<Mg<Ca\]
C) \[Zn<Mg<Ni<Ca\]
D) \[Ca<mg<Zn<Ni\]
Correct Answer: B
Solution :
Lesser the SRP value higher the reducing power.
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