Haemoglobin has maximum affinity with

Question

Haemoglobin has maximum affinity with (A) Carbon dioxide > carbon monoxide > oxygen (B) Carbon monoxide > oxygen > carbon dioxide (C) Oxygen > carbon monoxide > carbon dioxide (D) Carbon monoxide > oxygen > ammonia

Tardigrade Admin · Accepted Answer

Hemoglobin has 250 times more affinity for carbon monoxide than oxygen, forming a cherry-red compound carboxyhemoglobin. Hemoglobin shows maximum affinity with carbon monoxide as compared to carbon dioxide and oxygen. When compared with carbon dioxide, hemoglobin has more affinity with oxygen.

Q. Haemoglobin has maximum affinity with

Carbon dioxide > carbon monoxide > oxygen

Carbon monoxide > oxygen > carbon dioxide

Oxygen > carbon monoxide > carbon dioxide

Carbon monoxide > oxygen > ammonia

Hemoglobin has 250 times more affinity for carbon monoxide than oxygen, forming a cherry-red compound carboxyhemoglobin. Hemoglobin shows maximum affinity with carbon monoxide as compared to carbon dioxide and oxygen. When compared with carbon dioxide, hemoglobin has more affinity with oxygen.