1.

Amongst the following oxoacids of phosphorus, which oxoacids has phosphorus in (+4), (+3) and (+4) oxidation states ?

Answer»

`H_(5)P_(3)O_(10)`
`H_(5)P_(3)O_(8)`
`H_(5)P_(3)O_(9)`
`H_(5)P_(3)O_(7)`

Solution :SUMMATION of oxidation states :`(+4) + (+3) + (+4)` of all three phosphorus atoms `=(+11)`
`3X + 5(+1) + 8(-2)=0`
`therefore 3x = +11`


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