The number of H atoms directly attached to th | vedclass

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(C) The chemical formula of hypophosphorous acid is $H_{3}PO_{2}$.In its structure,the phosphorus atom is bonded to one oxygen atom via a double bond

Vedclass · Accepted Answer

$2$

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(C) The chemical formula of hypophosphorous acid is $H_{3}PO_{2}$.In its structure,the phosphorus atom is bonded to one oxygen atom via a double bond $(P=O)$,one hydroxyl group $(-OH)$,and two hydrogen atoms directly attached to the phosphorus atom ($P-H$ bonds).Therefore,there are $2$ hydrogen atoms directly attached to the $P$ atom.

The number of $H$ atoms directly attached to the $P$ atom in hypophosphorous acid is:

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