P-Block Elements Ques 376

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

[IIT-JEE 1999]

Options:

A) One mole of phosphine

B) Two moles of phosphoric acid

C) Two moles of phosphine

D) One mole of phosphorous pentoxide

Show Answer

Answer:

Correct Answer: C

Solution:

$ Ca_3P_2+3H_2O\to 3Ca{{(OH)}_2}+2PH_3 $



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