Which of the following mixtures can be used to prepare a buf... | Chemistry | SolveeIt

Which of the following mixtures can be used to prepare a buffer solution ?

$\ce{CH3COOH + CH3COONa }$

$\ce{CH3COOK + CH3COONa }$

$\ce{CH3COOH + NH4Cl }$

$\ce{NaOH + HCl }$

Answer

$\ce{CH3COOH + CH3COONa }$

Explanation

A mixture of ${CH3COOH}$ and ${CH3COONa}$ acts as buffer solution around pH 4.75.

Chemistry Question on Equilibrium