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Which one of the following is not a buff...

Which one of the following is not a buffer solution ?

A

0.8 `MH_(2)S + 0.8 ` M KHS

B

`2 M C_(6)H_(5)NH_(2)+2MC_(6)H_(5)N^(+)H_(3)Br`

C

3 M `H_(2)CO_(3)+3MKHCO_(3)`

D

`0.05 M KClO_(4)+0.05 M HClO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`HClO_(4)` is the strongest hydracid known. A mixture of a strong acid and its salt with a strong base can't act as a buffer solution.
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