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Standard reduction potential values for ...

Standard reduction potential values for the electrodes are given below.
`Mg^(2+)2e^(-) rarrMg " is" -2.37V`
`Zn^(2+) +2e^(-) rarrZn " is"-0.76V`
`Fe^(2+)+2e^(-)rarrFe " is"-0.44V`
Which of the following statement is correct

A

Zn reduces `Fe^(2+)`

B

Zn reduces `Mg^(2+)`

C

Mg oxidises Fe

D

Zn oxidises Fe

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The correct Answer is:
A
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E^(@) values of Mg^(2+)//Mg is -2.37V, of Zn^(2+)//Zn is -0.76V and Fe^(2+)// Fe is - 0.44V Which of the statement is correct ?

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