The number of hydrogen atom attached to phosphorous atom hypophosphrous acid is :

Zero

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two

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one

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three

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Solution

The correct option is A two
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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The number of hydrogen atoms attached to phosphorous atom in hypo phosphorus acid is

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