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How is Phosphine Prepared Using the Following Reagent? H2so4 - Chemistry

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Question

How is phosphine prepared using the following reagent?

H2SO4

Solution

Preparation of Phosphine using H2SO4:

The reaction of aluminum phosphide with dilute H2SO4 gives phosphine.

`2AlP+3H_2SO_4->Al_2(SO_4)_3+2PH_3↑`

Aluminium              Aluminium              Phosphine

phosphide                sulfate

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2016-2017 (March)

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