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Hydrogen Peroxide

Explain: H3PO...

Question

Explain: H3PO2 shows reducing properties but H3PO4 does not.

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Solution

In H3PO2 and H3PO3 oxidation state of P is +1 and +3 respectively, which

can further be oxidized to a higher oxidation state. Hence they can act as

reducing agents. In H3PO4 oxidation state of P is +5, which is highest for P.

Hence H3PO4 cannot serve as a reducing agent

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