One mole of calciium phosphide on reaction with excess water gives

Options

A. one moles of phosphine
B. two moles of phosphoric acid
C. two moles of phosphine
D. one mole of phosphorus pentoxide

Answer

C

Explanation

According to the following reaction, one mole of `Ca_(3)P_(2)` gives 2 mole of `PH_(3)`
`Ca_(3)P_(2)+6H_(2)O to 3Ca(OH)_(2) + 2PH_(3)`