Which of the following is INCORRECT about carbon monoxide?

A
It reduces oxygen carrying ability of blood.
B
The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.
C
It is produced due to incomplete combustion.
D
It forms carboxyhaemoglobin.

View Answer & Solution

Correct answer · Option B

The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.

Carboxyhaemoglobin is about 300 times more stable than oxyhaemoglobin, making statement 2 incorrect.