Q. On hydrolysis $PC l_{3}$ gives

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A

$H_{3} P O_{3}$

B

$P H_{3}$

C

$H_{3} P O_{4}$

D

$POC l_{3}$

Solution:

On hydrolysis $PC l_{3}$ gives $H_{3} P O_{3}$
$PC l_{3} + 3 H_{2} O \to H_{3} P O_{3} + 3 H Cl$