JEE Main 2022 Chemistry question

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

Answer: (2)

Solution

White phosphorus reacts with alkali (P_{4} + 3NaOH + 3H_{2}O \to PH_{3} + 3NaH_{2}PO_{2})

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Question ID VK-035296