Chemistry In Everyday Life Question 152

Question: The principal buffer present in human blood

[Kerala PMT 2004]

Options:

A) $ NaH_2PO_4+Na_2HPO_4 $

B) $ H_3PO_4+NaH_2PO_4 $

C) $ CH_3COOH+CH_3COONa $

D) $ Na_2HPO_4+Na_3PO_4 $

E) $ H_2CO_3+HCO_3^{-} $

Show Answer

Answer:

Correct Answer: E

Solution:

$ H_2CO_3 $ + $ HCO_3^{-} $ buffer present in human blood, which maintain pH of blood.