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NTA Abhyas NEET2020ChemistryIonic EquilibriumPractice

The buffer system which helps to maintain the pH of blood between 7.26 to 7.42 is

Options

  1. AH 2 C O 3 / H C O 3 -
  2. BN H 4 O H / N H 4 C l
  3. CC H 3 C O O H / C H 3 C O O -
  4. DC H 3 C O O N H 4

Correct answer

A. H 2 C O 3 / H C O 3 -

Step-by-step solution

The pH of blood is maintained at ~ 7.4 by the carbonic acid-bicarbonate ion buffering system.

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