P-Block Elements Ques 315

Question: White phosphorus when boiled with strong solution of caustic soda produces

[CPMT 1989,03]

Options:

A) Phosphine

B) Phosphoric acid

C) Phosphorus acid

D) No reaction

Show Answer

Answer:

Correct Answer: A

Solution:

$ P_4+3H_2O+3NaOH\to $ $ \underset{Phosphine}{\mathop{PH_3}}+\underset{Sod\text{. hypophosphite}}{\mathop{3NaH_2PO_2}} $



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