1.

The oxidation state of central atom in the anion of compound NaH_(2)PO_(2) will be ......... .

Answer»

`+3`
`+5`
`+1`
`-3`

Solution :`overset(+1)(NA)overset(+1)((H))_(2)overset(X)(P)overset(-2)(O)_(2)"Here", (+1) + 2(+1) + x + 2(-2) = 0, i.e., x = + 1`


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