1.

Reduction potentials of some ions are given below. Arrange them in decreasing order of oxidising power :

Answer»

`ClO_(4)^(-) gt IO_(4)^(-) gt BrO_(4)^(-)`
`IO_(4)^(-) gt BrO_(4)^(-) gt ClO_(4)^(-)`
`BrO_(4)^(-) gt IO_(4)^(-) gt ClO_(4)^(-)`
`BrO_(4)^(-) gt ClO_(4)^(-) gt IO_(4)^(-)`

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