CO is more toxic than CO_2 because.... | vedclass

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(D) $CO$ (Carbon monoxide) is more toxic than $CO_2$ because it binds to hemoglobin with an affinity about $200-250$ times greater than that of oxygen

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It reduces the oxygen-carrying capacity of hemoglobin.

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(D) $CO$ (Carbon monoxide) is more toxic than $CO_2$ because it binds to hemoglobin with an affinity about $200-250$ times greater than that of oxygen.This binding forms carboxyhemoglobin,which is a stable compound.As a result,the oxygen-carrying capacity of the blood is significantly reduced,leading to hypoxia (oxygen deficiency in tissues) and potentially death.

$CO$ is more toxic than $CO_2$ because....

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