White phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO gives phosphine and compound (X). (X) on acidification with HCl gives compound (Y). The basicity of compound (

Question

White phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO gives phosphine and compound (X). (X) on acidification with HCl gives compound (Y). The basicity of compound (Y) is: 2 4 2 3 2 2 3 2 3 2 3 2

(A) 4
(B) 2
(C) 3
(D) 1

Prashant Kotian · Accepted Answer

Correct answer: D) 1. P + NaOH + H O → PH + NaH PO H PO + NaCl Here the product B which is mentioned in the question is H PO . The structure of H PO can be given as: As only 1 Hydrogen atom is attached to the oxygen, its basicity is one.

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