Q.

Which one of the following statements is not true about the effect of an increase in temperature on the distribution of molecular speeds in a gas ?

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a

The fraction of the molecules with the most probable speed increases.

b

The area under the distribution curve remains the same as under the lower temperature.

c

The most probable speed increases

d

The distribution becomes broader.

answer is D.

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Detailed Solution

The statement (D) is not true about the effect of an increase in temperature on the distribution of molecular speeds in a gas.

The fraction of the molecules having most probable speed decreases with increase in temperature.

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