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Standard IX
Chemistry
Oxyacids of Phosphorus
H 3 P O 2 is ...
Question

H3PO2 is the molecular formula of an acid of phosphorus, Its name and basicity respectively are

A
phosphorous acid and two
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B
hypophosphorous acid and two
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C
hypophosphorous acid and one
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D
hypophosphoric acid and two
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Solution

The correct option is C hypophosphorous acid and one
H3PO2 is named as hypophosphorous acid. As it contains only one P−OH group, its basicity is one.

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