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Standard XII

Chemistry

Introduction

50 mL of each...

Question

$50 m L$ of each gas $A$ and of gas $B$ takes $150 s$ and $200 s$ respectively for effusing through a pin hole under the similar conditions. If molecular mass of gas $B$ is $36$ , the molecular mass of gas $A$ will be:

96

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128

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20.25

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64

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Solution

The correct option is C $20.25$

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50 mL of each gas A and of gas B takes 150s and 200s respectively for effusing through a pin hole under the similar conditions. If molecular mass of gas B is 36, the molecular mass of gas A will be:

The correct option is C 20.25

$50 m L$ of each gas $A$ and of gas $B$ takes $150 s$ and $200 s$ respectively for effusing through a pin hole under the similar conditions. If molecular mass of gas $B$ is $36$ , the molecular mass of gas $A$ will be:

The correct option is C $20.25$