Which of the following oxides can act both as | vedclass

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(B) $SO_2$ can act both as an oxidising agent and a reducing agent because the oxidation state of sulphur in $SO_2$ is $+4$,which is an intermediate o

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$SO_2$

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(B) $SO_2$ can act both as an oxidising agent and a reducing agent because the oxidation state of sulphur in $SO_2$ is $+4$,which is an intermediate oxidation state (between $-2$ and $+6$).As a reducing agent: $SO_2$ reduces $Fe^{3+}$ to $Fe^{2+}$ and decolourises acidified $KMnO_4$ solution.$2Fe^{3+} + SO_2 + 2H_2O \rightarrow 2Fe^{2+} + SO_4^{2-} + 4H^+$As an oxidising agent: $SO_2$ reacts with $H_2S$ to produce sulphur and water,where the oxidation state of sulphur in $SO_2$ decreases from $+4$ to $0$.$SO_2 + 2H_2S \rightarrow 3S + 2H_2O$

Which of the following oxides can act both as an oxidising agent as well as a reducing agent?

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