MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumBuffer Solutions

The principal buffer present in human blood is

A.NaH

B.H

C.CH3COOH + CH3COONa

D.H2CO3 +✓ Correct

Explanation

Our blood consists of serum which is a protein. The buffer system present in blood is 2 3 3 H CO +NaHCO . A buffer solution resists the change occurred in pH. Therefore, pH value of blood does not change by a small addition of any acid or a base.

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