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E^(@) of Mg^(2+) || Mg, Zn^(2+) || Zn, a...

`E^(@)` of `Mg^(2+) || Mg, Zn^(2+) || Zn`, and `Fe^(2+)||Fe` are -2.37V, -0.76V and -0.44 V respectively. Which of the following is correct?

A

Mg oxidises Fe

B

Zn oxidises `Fe`

C

Zn reduces `Mg^(2+)`

D

Zn reduces `Fe^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`E_(op(Zn))^(@) gt E_(op(Fe))^(@)`
Thus `Zn to Zn^(2+) + 2e`
and `Fe^(2+)+ 2e to Fe`
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