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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)+3 M KHCO_(3)`

C

`3 MH_(2)CO_(3)+3 M KHCO_(3)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
Because `HClO_(4)` is a strong acid. While buffer is a mixture of weak acid and their salt.
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