Which of the following is an example of basic buffer?
1M solution of NaOH
A mixture of CH3COOH and OH3COONa
A mixture of NH4Cl and NH4OH
A mixture of HCl and NaOH
A mixture of weak base and its salt with a strong acid serves as a basic buffer.
A mixture of CH3COOH and CH3COONa behaves as
A mixture of NH4Cl and NH4OH shows no change in pH upon addition small amount of HCl. This is because it is