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.