1.

Oxidation states of P in H_(4)P_(2)O_(5),H_(4)P_(2)O_(6),H_(4)P_(2)O_(7) respectively are

Answer»

`+3, +5, +4`
`+5, +3, +4`
`+5, +4, +3`
`+3, +4, +5`

ANSWER :D


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