Good reducing nature of is attributed to the presence of:

Question

Good reducing nature of  is attributed to the presence of:

Canvas Classes · Accepted Answer

(hypophosphorous acid / phosphinic acid) has the structure:

- 2 P–H bonds (non-ionisable)
- 1 P–OH bond (ionisable)
- 1 P=O bond

The P–H bonds are responsible for the reducing nature. The H atoms in P–H bonds can be donated as hydride (H⁻) or as electrons, making the compound a strong reducing agent.

The more P–H bonds, the stronger the reducing agent:  (2 P–H)   (1 P–H)   (0 P–H).

Answer: Option (3) — Two P–H bonds

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