Good reducing nature of H3PO2 is attributed to the presence of
Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.
Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA
Hypophosphorous acid (H3PO2) is a strong reducing agent. Its structure is . 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