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Which one of the following is/are buffer...

Which one of the following is/are buffer solution(s)?

A

`0.8 M H_2S + 0.8 M KHS `

B

` 2 M C_6 H_5 NH_2 +2 M C_6H_5 NH_3 Br`

C

` 3 M H_2CO_3 +3M KHCO_3`

D

` 0.05 M KCIO_4 +0.05 M HCIO_4`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Strong acid and its salt with S.B cannot act as buffer
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