1.

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

Answer»

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

ANSWER :A::C::D


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