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
    $1\,\,M\,\,N{H_4}OH$

Answer

Correct option: B.
$5\,\,M\,\,C{H_3}COOH$
(b)When ratio of concentration of acid to salt is increased $pH $ decrease.

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