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Phosphine

Phosphine is ...

Question

Phosphine is prepared by the reaction of :

A

P

and

H_{2} S O_{4}

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B

P

and

N a O H

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C

P

and

H_{2} S

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D

P

and

H N O_{3}

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Solution

The correct option is B $P$ and $N a O H$
$P_{4} + 3 N a O H + 3 H_{2} O \to P H_{3} + 3 N a H_{2} P O_{2}$
(White) Phosphine Sod.hypophosphite

Phosphine is prepared by dissolving white phosphorous in boiling $N a O H$ solution.

Option B is correct.

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$P_{H_{2}}$ (mm of Hg)	289	205	147
$- \frac{P_{H_{2}}}{d t}$	1.60	1.10	0.79

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