Question

Why is CO is considered as poisonous gas?

Answer 1

CO binds very strongly with hemoglobin in the blood and may form cancer causing cells.

Answer 2

Explanation:

Carbon monoxide reacts with haemoglobin and form a stable compound carboxyhemoglobin. carboxyhemoglobin is 300 times more stable than oxyhemoglobin. Formation of carboxyhemoglobin reduces the oxygen carrying capacity of the blood,as a result of this suffocation takes place. Low level poisoning results in headache and drowsiness, high level poisoning may cause death.

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