Question
In following reactions, which substance is getting oxidised and which is getting reduced?
(i) $Sn ^{2+}+2 Fe ^{3+} \longrightarrow Sn ^{4+}+ Fe ^{2+}$
(ii) $Zn + Fe ^{2+} \longrightarrow Z n ^{2+}+ Fe$
(iii) $2 Na + C l _2 \longrightarrow 2 NaCl$
(iv) $M g +2 H ^{+} \longrightarrow M g ^{2+}+ H _2$

Answer

(i) $Sn ^{+2}$ is getting oxidised while $Fe ^{+3}$ is getting reduced.
(ii) Zn is getting oxidised and $Fe ^{+2}$ is getting reduced.
(iii) Na is getting oxidised and $Cl _2$ is getting reduced.
(iv) Mg is getting oxidised and $H ^{+}$is getting reduced.

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