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Which one of the following pairs of solu...

Which one of the following pairs of solution is not an acidic buffer?

A

`H_2CO_3` and `Na_2CO_3`

B

`H_3PO_4` and `Na_3PO_4`

C

`HClO_4` and `NaClO_4`

D

`CH_3COOH` and `CH_3COONa`

Text Solution

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The correct Answer is:
C
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