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  4. PCl3 reacts with water to form

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Q. $PCl_3$ reacts with water to form

AIPMTAIPMT 1991The p-Block Elements - Part2

Solution:

$PCl_3$ is easily hydrolysed by water to give $POCl_3$ and finally it gives $H_3PO_3$ and HC1.
$\, \, \, \, \, \, \, PCl_3 + H_2O \, \longrightarrow \, POCI_3 + 2HCI $
$\, \, \, POCl_3 + 3H_2O \, \longrightarrow \, H_3PO_3 + 3HCI $