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Question

Question: At ![](https://cdn.pureessence.tech/canvas_625.png?top_left_x=900&top_left_y=695&width=300&height=17...

At , the ratio of rms velocities of ozone to oxygen is

A

3/5\sqrt { 3 / 5 }

B

4/3\sqrt { 4 / 3 }

C

2/3\sqrt { 2 / 3 }

D

0.25

Answer

2/3\sqrt { 2 / 3 }

Explanation

Solution

UO3UO2=MO2MO3=3248=23\frac { U _ { O _ { 3 } } } { U _ { O _ { 2 } } } = \sqrt { \frac { M _ { O _ { 2 } } } { M _ { O _ { 3 } } } } = \sqrt { \frac { 32 } { 48 } } = \sqrt { \frac { 2 } { 3 } }