Question

PCl3 on hydrolysis gives fumes of (a) H3PO3 + HCI (b) H3PO4 + HCI (c) H3PO2 and H3PO3 (d) H3PO2 + HCl

Answer 1

(a) H3PO3 + HCI.

Explanation:

Phosphorus trichloride reacts violently with water forming phosphorous acid.

PCl3 + 3HOH ----> H3PO3 + 3HCl