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  • Which buffer solution out of the following will have pH > 7?Option: 1 CH3COOH + CH3COONa<div class='qna-option

Which buffer solution out of the following will have pH > 7?

Option: 1

CH3COOH + CH3COONa


Option: 2

HCOOH + HCOOK


Option: 3

CH3COONH4


Option: 4

NH4OH + NH4Cl


Answers (1)

best_answer

\begin{array}{l}{\text {(1) is Acidic buffer, and has pH }<7} \\ {\text {(2) is also acidic buffer and has pH }<7} \\ {\text {(3) is simple buffer or salt of } \mathrm{W_{A} + W_{B}, and\ has\ pH=7}} \\ {\text {(4) is a Basic buffer, and has pH }>7}\end{array}

Therefore,option(4) is correct

Posted by

Ritika Jonwal

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