1.

The oxidation state of S in Caro's acid (permono sulphuric acid) H_(2)SO_(5) is

Answer»

`+8`
`+6`
`+5`
`+4`

Solution :`H_(2)SO_(5)` has one peroxide bond as

So , it MAY be written as
`H_(2)S(O_(2))O_(3)`
`+2+x-2+3(-2)=0"" thereforex=+6`


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