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Which of the following species can act b...

Which of the following species can act both as an acid as well as a base ?

A

`SO_(4)^(2-)`

B

`HSO_(4)^(-)`

C

`PO_(4)^(3-)`

D

`OH^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset(SO_(4)^(2-))underset(" "darr-H^(+))(HSO_(4)^(-))overset(+H^(+))(to)H_(2)SO_(4)`
`HSO_(4)^(-)` can accept or give a proton.
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