One mole of calciium phosphide on reaction with excess water gives

Options

A. One mole of phosphene
B. Two moles of phosphoric acid
C. Two moles of phosphene
D. One mole of phosphorus pentoxide

Answer

C

Explanation

`underset("Cal. Phosphide (1 mole)")(Ca_(3)P_(2)) + 6H_(2)O to underset("Phosphene (2 mole)")(2PH_(3)) + 3Ca(OH)_(2)`