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Question

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

A
$$3$$
B
$$2$$
C
$$4$$
D
$$1$$
Solution
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Correct option is C. $$1$$

The basicity of compound $$Y$$ is 1.

Hence, option $$C$$ is correct.

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