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 $