1.

Analyses the equilibrium HCIO_4+H_2O hArr H_3 O^(+)+CIO_4^-

Answer»

`H_3 O^+` is the conjugate BASE of `H_2O`
`CIO_(4)^-` is the conjugate base of `HCIO_4`
`H_2O` is the conjugate acid of `H_3O^+`
`HCIO_4` is the conjugate acid of `H_3 O^+`

ANSWER :B


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