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Diffusion

Compared to O...

Question

Compared to $O_{2}$ , diffusion rate of $C O_{2}$ through the diffusion membrane per unit difference in partial pressure is much higher. Explain.

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Solution

As, the solubility rate of $C O_{2}$ is 20-25 times higher than that of the $O_{2}$ , the amount of $C O_{2}$ that can diffuse through the diffusion membrane per unit difference in partial pressure is much higher compared to that of $O_{2}$ .

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Q. How many of the given statements are wrong?

A. The rate of diffusion of gas at the respiratory membrane depends upon its solubility as well as on the thickness of membrane.
B. The amount of

C O_{2}

that can diffuse through the diffusion membrane per unit difference in partial pressure is much higher when compared to that of

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C. Oxygen can bind with haemoglobin in an irreversible manner to form oxyhaemoglobin.
D. The factors responsible for formation of oxyhaemoglobin include high

p O_{2}

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The diffusion of ${C O}_{2}$ across the alveolar membrane is 20 times faster than that of $O_{2}$ because

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