Engineering
Chemistry
Acidic and Basic Oxides
Compounds of Nitrogen Family
Question

Good reducing nature of H3PO2 is attributed to the presence of

Two P–H bonds

Two P–OH bonds

One P–H bond

One P–OH bond

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Solution

Hypophosphorous acid (H3PO2) is a strong reducing agent. Its structure is H-P(=O)-OH. The reducing nature is due to the presence of a P-H bond, which is unstable and readily donates a hydrogen atom (acts as a source of hydride ion, H-), leading to its oxidation.

Final Answer: One P–H bond