Phosphine is obtained from the following comp | vedclass

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(D) Phosphine $(PH_3)$ is prepared by the hydrolysis of metal phosphides.$1$. Calcium phosphide $(Ca_3P_2)$ reacts with water to produce phosphine:$Ca

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Both $(b)$ and $(c)$

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(D) Phosphine $(PH_3)$ is prepared by the hydrolysis of metal phosphides.$1$. Calcium phosphide $(Ca_3P_2)$ reacts with water to produce phosphine:$Ca_3P_2 + 6H_2O 	o 3Ca(OH)_2 + 2PH_3$$2$. Potassium phosphide $(K_3P)$ also reacts with water to produce phosphine:$K_3P + 3H_2O 	o 3KOH + PH_3$Therefore,both $(b)$ and $(c)$ are correct.

Phosphine is obtained from the following compound:

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