1.

Select the incorrect orders from the following .

Answer»

`CIO^(-) LT BrO^(-) lt IO^(-)` - disproportionation
`CIO_4^(-) lt BrO_4^(-) lt IO_4^(-)` - oxidising power
`HCIO lt HCIO_2 lt HCIO_3 lt HCIO_4` - acid strength
HOCl gt HOI gt HOBr -acid strength

Solution :(B)`CIO_4^(-) lt IO_4^(-) lt BrO_4^(-)` according to their reduction potential
(D)HOCI gt HOBr gt HOI. As ELECTRONEGATIVITY of halogens increases the acidic character increases GIVEN (B) and (D) are correct order .


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