The P Block Elements - Result Question 23
####23. $H_3 PO_2$ is the molecular formula of an acid of phosphorus. Its name and basicity respectively are
(a) Phosphorus acid and two
[1992]
(b) Hypophosphorous acid and two
(c) Hypophosphorous acid and one
(d) Hypophosphoric acid and two
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Solution:
- (c) $H_3 PO_2$ is named as hypophosphorous acid. As it contains only one $P-OH$ group, its basicity is one.
