1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider the following statement regarding Maxwell Boltzmann distribution curve I. The fraction of molecules with very low or very high speeds is very small. II. At higher temperatures, the curve near u mp becomes narrower. III. The speed possessed by maximum fraction of molecules is known as most probable speed. Which of the above statement/s is/are incorrect?

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Q. Consider the following statement regarding Maxwell Boltzmann distribution curve
I. The fraction of molecules with very low or very high speeds is very small.
II. At higher temperatures, the curve near $u_{ mp }$ becomes narrower.
III. The speed possessed by maximum fraction of molecules is known as most probable speed.
Which of the above statement/s is/are incorrect?

States of Matter

Solution:

Statement (b) is incorrect.
It's correct form is as follows :
In Maxwell-Boltzmann's distribution curve, on increasing the temperature, the curve near $u_{ mp }$ becomes broader, which indicates that more molecules possess speeds near to $u_{ mp }$.
Rest other statements are correct.