MCQ
The $pH$ of a buffer solution containing $25\,ml$ of $1\,M\,C{H_3}COONa$ and $25\,\,ml$ of $1\,\,M\,\,C{H_3}COOH$ will be appreciably affected by $5\,\,ml$ of
- A$1\,\,M\,\,C{H_3}COOH$
- ✓$5\,\,M\,\,C{H_3}COOH$
- C$5\,\,M\,\,HCl$
- D$1\,\,M\,\,N{H_4}OH$