Ncert Exercises & Solutions

Given below are two statements:

Assertion (A):	A solution containing a mixture of acetic acid and sodium acetate maintains a constant value of pH on the addition of small amounts of acid or alkali.
Reason (R):	A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.