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Allotropes of Sulphur

How many P-H ...

Question

How many $P - H$ bonds does hypophosphorous acid contain?

1

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Solution

The correct option is B $2$
Hypophosphorous acid $(H_{3} P O_{2}),$ also called as phosphinic acid, has $1 P - O H$ bond, $2 P - H$ bonds and $1 P = O$ bond.

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