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Ratio of rates of diffusion of He and CH...

Ratio of rates of diffusion of He and `CH_(4)` (under identical conditions):

A

`(1)/(2)`

B

3

C

`(1)/(3)`

D

2

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The correct Answer is:
d
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GRB PUBLICATION-GASEOUS STATE-Exercise
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  5. Pure O(2) diffuses through an aperture in 224 second, whereas mixture ...

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  7. A straight glass tube as shown, has 2 inleta X and Y at the two ends o...

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  8. A teacher enters a classroom from front door while a student from back...

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  9. Which of the following statements are correct?

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  13. A certain volume of argon gas (Mol. Wt.=40) requires 45s to effuse thr...

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  14. A gas diffuses one-thrid as fast as O(2) at 100^(@)C. This gas could b...

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  15. A x:1 molar mixture of He and CH(4) is contained in a vessel as 20 bar...

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  16. Which noble gas effuses approximately twice are fast as Kr?

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  17. An unknown gas effuses through a pin-hole in a container at a rate of ...

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  18. Which pair of gases has the same average rate of diffusion at 25^(@)C?

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  19. Helium is often found with methance, CH(4). How do the diffusion rates...

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  20. An unknown gas effuses through a small hole one half as fast as methan...

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