The number of hydrogen atom(s) attached to phosphorus atom in hypophosphorous acid is

• Hydrogen

The number of hydrogen atom(s) attached to phosphorus atom in hypophosphorous acid is

1. zero
2. one
3. two
4. three

Answer

Molecular formula of Hypophosphorous Acid is H₃PO₂. 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.

The correct option is C.