Multiple choice

Which of the following gases forms the most stable product with hemoglobin?

  1. Carbon dioxide

  2. Oxygen

  3. Carbon monoxide

  4. Ozone

  5. Sulfur dioxide

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hemoglobin combines with carbon monoxide about 250 times more readily than oxygen.Hence this is the most stable relationship.