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Question
How is phosphine prepared using the following reagent ?
HCl
Numerical
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Solution
Preparation of Phosphine using HCl :
The reaction of calcium phosphide with dilute HCl gives phosphine.
\[\ce{\underset{\text{Calcium phosphide}}{Ca3P2} + 6HCl -> \underset{\text{Calcium chloride}}{3CaCl2} + \underset{\text{ Phosphine}}{2PH3} ^}\]
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