Which of the following is not a reducing agen | vedclass

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(C) In $SO_2$,the oxidation state of $S$ is $+4$. Since $S$ can be oxidized to $+6$,it acts as a reducing agent.In $H_2O_2$,the oxidation state of $O$

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$CO_2$

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(C) In $SO_2$,the oxidation state of $S$ is $+4$. Since $S$ can be oxidized to $+6$,it acts as a reducing agent.In $H_2O_2$,the oxidation state of $O$ is $-1$. It can be oxidized to $0$ (in $O_2$) or reduced to $-2$ (in $H_2O$),so it acts as both an oxidizing and a reducing agent.In $CO_2$,the oxidation state of $C$ is $+4$. Since $C$ is in its maximum oxidation state ($+4$ for group $14$),it cannot be further oxidized. Therefore,$CO_2$ cannot act as a reducing agent.In $NO_2$,the oxidation state of $N$ is $+4$. Since $N$ can be oxidized to $+5$,it can act as a reducing agent.

Which of the following is not a reducing agent?

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