MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryPrevious Year Questions
The incorrect statement about carbon monoxide is (NEET 2020)
A.It reduces the oxygen – carrying ability of blood.
B.The carboxyhaemoglobin (haemoglobin bound to✓ Correct
C.It is produced due to incomplete combustion
D.It forms carboxyhaemoglobin.
Explanation
Carboxyhaemoglobin (symbol COHb or HbCO) is a stable complex of carbon monoxide and haemoglobin (Hb) that forms in red blood cells upon contact with carbon monoxide (CO). The CO – haemoglobin complex is far more stable than O2-haemoglobin (oxyhaemoglobin) Hence statement B is incorrect.
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