Q. Which one of the following mixture does not act as a buffer solution-

 505  146 NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

Sodium acetate and sodium propionate are not conjugate acid-base pairs.
An acidic buffer contains equimolar quantities of a weak acid and its salt with a strong base. A basic buffer contains equimolar quantities of a weak base and its salt with strong acid. Sodium acetate is a salt with a strong base but sodium propionate is not a weak acid, it is also a salt.