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Which of the following acts as an acid i...

Which of the following acts as an acid in sulphuric acid ?

A

`HNO_(3)`

B

`H_(3)PO_(4)`

C

Water

D

`HClO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`HClO_(4)` acts as an acid in conc. `H_(2)SO_(4)` because it gives a proton to `H_(2)SO_(4)`.
`HClO_(4) + H_(2)SO_(4) rarr ClO_(4)^(-) + [H_(3)SO_(4)]^(+)`
`HNO_(3), H_(3)PO_(4)` and `H_(2)O` act as bases in conc. `H_(2)SO_(4)`
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