A) One mole of phosphine
B) Two moles of phosphoric acid
C) Two moles of phosphine
D) One mole of phosphorous pentoxide
Correct Answer: C
Solution :
\[C{{a}_{3}}{{P}_{2}}+3{{H}_{2}}O\,\to \,3Ca{{(OH)}_{2}}+2P{{H}_{3}}\]
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