1.

The correct formula of salt formed by the neutralization of hypophosphorus acid with NaOH is

Answer»

`Na_(3)PO_(2)`
`Na_(3)PO_(3)`
`NaH_(2)PO_(2)`
`Na_(2)HPO_(2)`

Solution :Hypophosphorus acid `(H_(3)PO_(2))` is a monobasic acid and hence FORMS `NaH_(2)PO_(2)` SALT.
`H_(3)PO_(2) + NaOH rarr NaH_(2)PO_(2) + H_(2)O`


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