Question

If temperature of a gas is raised, which of the following would be true ?
(A) Fraction of the molecules possessing most probable velocity will increase
(B) Fraction of the molecules possessing most probable velocity will decrease
(C) Fraction possessing very low velocity will decrease
(D) Fraction possessing very high velocity will increase​

Answer 1

Answer:

your answer is (b)

Explanation:

Fraction of the molecules possessing most probable velocity will decrease

Hope it helps!

Answer 2

Answer:

(A) Fraction of the molecules possessing most probable velocity will increase

Explanation:

Explanation for correct option:

(A) Fraction of the molecules possessing most probable velocity will increase

We know that Maxwell’s distribution plot is a plot between the bit of patch and speed of patch at standard temperature. The area under the wind represents the number of motes. If we toast the gas the peak of the wind will be shifted right because the average speed of the patch will increase. The most probable speed corresponds to the top of the distribution wind because a lesser bit of motes will have this speed.

It is expressed as:

$v = \sqrt{ \frac{2kt \\ }{m} }$

where,

• k = Boltzmann's constant
• t = temperature
• v = velocity
• m = mass

We can say that from the equation that the most probable haste of gas motes increases with the increase in temperature. At advanced temperature, large figures of motes will acquire lesser quantities of kinetic energy and they move veritably fast hence their speed increases. The wind also flattens with the increase of temperature. At the same temperature motes of gas will retain the same kinetic energy.

So, we can say that when the temperature increases the most probable speed of molecules also increases.

Explanation for incorrect options:

Explanation for incorrect options:(B) Fraction of the molecules possessing most probable velocity will decrease.

It is not possible to decrease the fraction of molecules with the rise of temperature.

(C) Fraction possessing very low velocity will decrease

It is not possible that fraction possessing very low velocity will decrease.

(D) Fraction possessing very high velocity will increase

It is not possible that fraction possessing very high velocity will increase.

Therefore, option (A) is correct.

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