A) Zn reduces \[F{{e}^{2+}}\]
B) Zn reduces \[M{{g}^{2+}}\]
C) Mg oxidises \[Fe\]
D) Zn oxidises\[Fe\]
Correct Answer: A
Solution :
Higher the negative value of reduction potential, higher will be the reducing power. Hence, Mg reduces both \[Z{{n}^{2+}}\]and\[F{{e}^{2+}}\]. Zn can reduce\[F{{e}^{2+}}\]but not\[M{{g}^{2+}}\]. Similarly\[F{{e}^{2+}}\] can oxidise\[Zn\] and \[Mg\] both.
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