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  4. The number of hydrogen atoms attached tophosphorus atom in hypophosphorus acid is

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Q. The number of hydrogen atoms attached tophosphorus atom in hypophosphorus acid is

The p-Block Elements - Part2

Solution:

Molecular formula of Hypophosphorous Acid is $H _{3} P O _{2}$.
In this, two hydrogen atoms are attached to phosphorus atom with single bond, one - $OH$ group is attached to phosphorus atom with single bond and one oxygen atom is attached to phosphorus atom with double bond.
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