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The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin

The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen, approximately by

Options

(a) 2 times
(b) 200 times
(c) 20 times
(d) 1000 times

Correct Answer:

200 times

Explanation:

Carbon monoxide combines with haemoglobin far more readily than 

Oxygen

 (CO has about 200 times greater affinity for haemoglobin compared to 

Oxygen)

, forming a stable compound carboxyhaemoglobin.

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