Which of the following substances can act as | vedclass

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(D) Step $1$: Identify the oxidation states of the central atoms in the given compounds.Step $2$: $A$ substance acts as both an oxidizing and a reduci

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$H_2O_2$

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(D) Step $1$: Identify the oxidation states of the central atoms in the given compounds.Step $2$: $A$ substance acts as both an oxidizing and a reducing agent if the central atom is in an intermediate oxidation state.Step $3$: In $NaNO_3$, $N$ is in $+5$ (maximum), so it acts only as an oxidizing agent.Step $4$: In $Na_2O$, $O$ is in $-2$ (minimum), so it acts only as a reducing agent.Step $5$: In $Na_2O_2$, $O$ is in $-1$. It can be oxidized to $0$ $(O_2)$ or reduced to $-2$ $(O^{2-})$. However, $H_2O_2$ is the most common textbook example of a substance that acts as both due to the intermediate oxidation state of oxygen $(-1)$.Step $6$: Comparing the options, $H_2O_2$ is the standard answer for this property.Therefore, the correct option is $(D)$.

Which of the following substances can act as both an oxidizing agent and a reducing agent?

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