The compound which forms a poisonous complex with haemoglobin and reduces the oxygen carrying capacity of haemoglobin is:

Carbon monoxide

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Carbon dioxide

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Carbon tetrachloride

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None of these

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Solution

The correct option is A
Carbon monoxide

Carbon monoxide forms a poisonous complex with haemoglobin and reduces the oxygen carrying capacity of haemoglobin.

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Similar questions

Q. The incomplete combustion of firewood in homes produces a very poisonous gas X. When inhaled, gas X combines with substance Y present in blood and reduces the capacity of blood to carry gas Z, causing respiratory problems and suffocation. Identify X, Y and Z.

Q. Assertion :Carbon monoxide is a poisonous gas.
Reason: Carbon monoxide combines with haemoglobin to form carboxy-haemoglobin whch prevents absorption of oxygen by it.

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

(a) carbon dioxide

(b) nitrogen monoxide

(d) sulphur dioxide

Q. Match the items of Column A with those of Column B.

Sulphur dioxide	a	1	Damage ozone layer
Carbon dioxide	b	2	Reduces the oxygen- carrying capacity of the blood
Carbon monoxide	c	3	Acid rain
Chlorofluoro-carbons	d	4	Greenhouse gas

Match the following :

$\begin{matrix} Column A & Column B 1. A product of incomplete burning & (a) Hopcolite 2. Nature of carbon monoxide & (b) Combustible gas 3. A compound formed by the combination & (c) Carboxy-haemoglobin of haemoglobin and carbon monoxide 4. A mixture of metallic oxides & (d) Carbon monoxide 5. Carbon monoxide & (e)Highly poisonous \end{matrix}$

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The compound which forms a poisonous complex with haemoglobin and reduces the oxygen carrying capacity of haemoglobin is:

The correct option is A Carbon monoxide Carbon monoxide forms a poisonous complex with haemoglobin and reduces the oxygen carrying capacity of haemoglobin.

The correct option is A
Carbon monoxide

Carbon monoxide forms a poisonous complex with haemoglobin and reduces the oxygen carrying capacity of haemoglobin.