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Ionic Equilibrium — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryIonic Equilibrium1 Mark
MCQ
Which one of the following is not a buffer solution?
  • A
    $0.8 M H _2 S +0.8 M KHS$.
  • B
    $2 M C _6 H _5 NH _2+2 M C _6 H _5 N$
  • C
    $3 M H _2 CO _3+3 M KHCO _3$
  • ✓
    $0.05 M KClO _4+0.05 M HClO$
✓

Answer

Correct option: D.
$0.05 M KClO _4+0.05 M HClO$
(d) $0.05 M KClO _4+0.05 M HClO$
Hint. $HClO _4$ is a strong acid while buffer is a mixture of weak acid and its salt.

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