If r1, r2 and r3 represent the most probable speeds of three different gases at the same temperature as shown in figure with molar masses M1, M2 and M3 respectively. The correct order of molar masses of these gases is

Question

If r1, r2 and r3 represent the most probable speeds of three different gases at the same temperature as shown in figure with molar masses M1, M2 and M3 respectively. The correct order of molar masses of these gases is (A) M1>M3>M2 (B) M3>M2>M1 (C) M2>M1>M3 (D) M2>M3>M1

Tardigrade Admin · Accepted Answer

In the direction of x - axis r3 increases and for same tamperature most probable speed propto (1/√ text molar mass (M)) Thus, M2>M1>M3.

Q. If $r_{1}, r_{2}$ and $r_{3}$ represent the most probable speeds of three different gases at the same temperature as shown in figure with molar masses $M_{1}, M_{2}$ and $M_{3}$ respectively. The correct order of molar masses of these gases is

$M_{1} > M_{3} > M_{2}$

$M_{3} > M_{2} > M_{1}$

$M_{2} > M_{1} > M_{3}$

$M_{2} > M_{3} > M_{1}$

In the direction of $x$ - axis $r_{3}$ increases and

for same tamperature most probable speed

$\propto \frac{1}{molar mass ( M )}$

Thus, $M_{2} > M_{1} > M_{3}$ .

Q. If r1​,r2​ and r3​ represent the most probable speeds of three different gases at the same temperature as shown in figure with molar masses M1​,M2​ and M3​ respectively. The correct order of molar masses of these gases is

M1​>M3​>M2​

M3​>M2​>M1​

M2​>M1​>M3​

M2​>M3​>M1​