In which of the following reactions does hydr | vedclass

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(C) reducing agent is a substance that undergoes oxidation (increase in oxidation state) and reduces another substance. In $H_2O_2$,the oxidation stat

Vedclass · Accepted Answer

$HOCl + H_2O_2 \rightarrow H_3O^{+} + Cl^{-} + O_2$

Vedclass · Answer

(C) reducing agent is a substance that undergoes oxidation (increase in oxidation state) and reduces another substance. In $H_2O_2$,the oxidation state of oxygen is $-1$. $1$. In $PbS + 4H_2O_2 \rightarrow PbSO_4 + 4H_2O$,oxygen in $H_2O_2$ goes from $-1$ to $-2$ (reduction). Thus,$H_2O_2$ acts as an oxidizing agent. $2$. In $2Fe^{2+} + H_2O_2 \rightarrow 2Fe^{3+} + 2OH^{-}$,oxygen in $H_2O_2$ goes from $-1$ to $-2$ (reduction). Thus,$H_2O_2$ acts as an oxidizing agent. $3$. In $HOCl + H_2O_2 \rightarrow H_3O^{+} + Cl^{-} + O_2$,the oxygen in $H_2O_2$ goes from $-1$ to $0$ (oxidation). Since $H_2O_2$ is oxidized,it acts as a reducing agent. $4$. In $Mn^{2+} + H_2O_2 \rightarrow Mn^{4+} + 2OH^{-}$,oxygen in $H_2O_2$ goes from $-1$ to $-2$ (reduction). Thus,$H_2O_2$ acts as an oxidizing agent. Therefore,the correct reaction is $HOCl + H_2O_2 \rightarrow H_3O^{+} + Cl^{-} + O_2$.

In which of the following reactions does hydrogen peroxide act as a reducing agent?

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