The incorrect statement about carbon monoxide is (NEET 2020)

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.