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Ionic Equilibrium — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryIonic Equilibrium1 Mark
MCQ
Which one of the following is a buffer?
  • ✓
    $ \mathrm{CH}_3 \mathrm{COOH}+\mathrm{CH}_3 \mathrm{COONa} $
  • B
    $ \mathrm{CH}_3 \mathrm{COOH}+\mathrm{CH}_3 \mathrm{COONH}_4 $
  • C
    $ \mathrm{NaOH}+\mathrm{NaCl} $
  • D
    $ \mathrm{CH}_3 \mathrm{COOH}+\mathrm{NH}_4 \mathrm{Cl} $
✓

Answer

Correct option: A.
$ \mathrm{CH}_3 \mathrm{COOH}+\mathrm{CH}_3 \mathrm{COONa} $
$ \mathrm{CH}_3 \mathrm{COOH}+\mathrm{CH}_3 \mathrm{COONa} $

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