The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P–H bonds, is

Question

Canvas Classes · Accepted Answer

From the reaction of white phosphorus with NaOH:

→ acid form =  = Phosphinic acid (hypophosphorous acid)

structure: P has 2 P–H bonds, 1 P–OH bond, 1 P=O bond.

| Acid | P–H bonds |
|---|---|
| Phosphonic acid () | 1 |
| Phosphinic acid () | 2 ✓ |
| Hypophosphoric acid () | 0 |

Answer: Option (2) — Phosphinic acid

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