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Which one of the following is most poiso...

Which one of the following is most poisonous ?

A

CO

B

`CO_2`

C

C

D

`SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
In human beings, carbon monoxide causes headache and difficulty in breathing. The haemoglobin has greater affinity to CO than oxygen. The Hb.CO reduces the oxygen carrying capacity of haemoglobin.
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