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Which of the following is not a buffer solution?

Option: 1

\mathrm{CH_3COOH \ and\ CH_3COONa}


Option: 2

\mathrm{HCOOH \ and\ HCOOK}


Option: 3

\mathrm{NaCN\ and\ HCN}


Option: 4

\mathrm{H_2SO_4 \ and\ KHSO_4}


Answers (1)

best_answer

As we learnt, 

For a solution to be classified as a buffer solution, it must contain atleast one Weak Acid or Base alongwith it respective conjugate,

Out of the given options, the one containing \mathrm{H_2SO_4\ and\ KHSO_4} does not qualify the definition of a buffer solution.

Hence, the correct option is (4)

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mansi

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