Question:
White Phosphorus on reaction with concentrated $\mathrm{NaOH}$ solution in an inert atmosphere of $\mathrm{CO}_{2}$ gives phosphine and compound $(\mathrm{X}) .(\mathrm{X})$ on acidification with $\mathrm{HCl}$ gives compound (Y). The basicity of compound (Y) is :
Correct Option: , 2
Solution:
