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In the following questions two or more options may be correct.
According to Maxwell Boltzmann distribution of energy, __________.
(i) the fraction of molecules with most probable kinetic energy decreases at higher temperatures.
(ii) the fraction of molecules with most probable kinetic energy increases at higher temperatures.
(iii) most probable kinetic energy increases at higher temperatures.
(iv) most probable kinetic energy decreases at higher temperatures.
Answers (1)
The answer is the option (i, iii) Maxwell Boltzmann distribution of kinetic energy can be described by a graph plotted with fraction of molecules on y-axis versus kinetic energy on x-axis.
Most probable kinetic energy is the kinetic energy of maximum fraction of molecule. The peak of the graph shifts forward and downward with an increase in temperature.
This implies that the most probable kinetic energy increases and fraction of molecules with most probable K.E decreases with an increase in temperature.
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