1.

Which of the following species is an acid and also a conjugatebase of another acid

Answer»

`HSO_(4)^(-)`
`H_(2)SO_(4)`
`OH^(-)`
`H_(3)O^(+)`

Solution :`H_(2)SO_(4) RARR H^(+) + HSO_(4)^(-) rarr H^(+) + SO_(4)^(--)` ACID `H_(2)SO_(4)`.


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