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easyMCQNEET 2020 E12026Chemistry
1 mark

Which of the following is not correct about carbon monoxide?

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

Solution & Step-by-step Explanation

Carboxyhaemoglobin is about 300 times more stable than oxyhaemoglobin. This high stability prevents oxygen from binding to haemoglobin, thus reducing the oxygen-carrying capacity of blood. Statement (C) is incorrect.

Practice this question

Try it yourself before checking the explanation above.

Which of the following is not correct about carbon monoxide?
A
It forms carboxyhaemoglobin.
B
It reduces oxygen carrying ability of blood.
C
The carboxyhaemoglobin (haemoglobin bound to ) is less stable than oxyhaemoglobin.
D
It is produced due to incomplete combustion.

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