Question
Chemistry Question on p -Block Elements
PCl3 on hydrolysis gives fumes of
A
H3PO3+HCl
B
H3PO4+HCl
C
H3PO2 and H3PO3
D
H3PO2+HCl
Answer
H3PO3+HCl
Explanation
Solution
Phosphorus trichloride reacts violently with water forming phosphorous acid. PCl3+3HOH→H3PO3+3HCl