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Arrange the following metals in the orde...

Arrange the following metals in the order in which they displace each other.
Al, Cu, Fe, Mg, Zn
`E^@ (Al^3 /Al)=-1.66 V,E^@(Cu^(2+)/Cu)= + 0.34 V`,
`E^@(Fe^(2+)//Fe) =- 0.44 V,E^@(Mg^2+ // Mg) = - 2.37 V,`
`E^@ (Zn^2 + //Zn)= - 0.79 V`

A

`Mg gt Al gt Zn gt Fe gt Cr`

B

`Mg gt Al gt Zn gt Cu gt Fe`

C

`Al gt Zn gt Mg gt Fe gt Cu`

D

`Mg gt Zn gt Al gt Fe gt Cu`

Text Solution

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The correct Answer is:
A
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