Compound that combines with hemoglobin of blood to form carboxy hemoglobin is :
A
N2O
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B
OF2
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C
CO2
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D
CO
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Solution
The correct option is DCO The highly toxic nature of CO arises due to the fact that it easily forms a complex with haemoglobin called carboxy-haemoglobin which is more stable than oxy-haemoglobin disrupting the oxygen supply in the body.