Biomolecules Question 137

Question: Which of the following reacts with haemoglobin in the blood to form carboxyhaemoglobin

[Manipal MEE 1995]

Options:

A) CO

B) $ CO_2 $

C) HCOOH

D) $ H_2CO_3 $

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Answer:

Correct Answer: A

Solution:

$ Hb+CO\to HbCO $ carboxy haemoglobin it is 20 times more stable then oxyhaemoglobin.