P-Block Elements Ques 568

Question: One mole of calcium phosphide on reaction with excess of water gives

Options:

A) one mole of phosphine.

B) two moles of phosphoric acid.

C) two moles of phosphine.

D) one mole of phosphorus oxide.

Show Answer

Answer:

Correct Answer: C

Solution:

$ \underset{1mole}{\mathop{Ca_3P_2}}+6H_2O\to 3Ca{{( OH )}_2}+\underset{2moles}{\mathop{2PH_3}} $



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