Question

White Phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO₂ gives phosphine and compound (X). (X) on acidification with HCl gives compound (Y). The basicity of compound (Y) is : 

(1) 4 

(2) 1 

(3) 2 

(4) 3

Answer 1

Answer is (2) 1

Answer 2

Answer is (2) 1