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The ratio of the rate of diffusion of he...

The ratio of the rate of diffusion of helium and methane under identical conditions of pressure and temperature will be

A

2

B

0.5

C

1

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
`(r_(He))/(r_(CH_(4)))=sqrt((M_(CH_(4)))/(M_(He)))=sqrt((16)/(4))=2`.
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DINESH PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-Straight Objective Type (MCQ)
  1. The compressibility of a gas is less than unity at N.T.P. Therefore.

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  2. The r.m.s. velocity of hydrogen is sqrt(7) times the r.m.s. velocity 1...

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  4. The root mean square velocity of an ideal gas to constant pressure var...

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  5. Which of the following volume-temperature (V-I) plots represents the b...

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  6. When the temperature is increased surface tension of water .

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  7. Positive deviation from ideal behaviour takes place because of

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  8. The root mean square speed of one mole of a monoatomic gas having mole...

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  9. The ratio of the rate of diffusion of helium and methane under identic...

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  10. The given graph represents the variations of compressibility factor Z=...

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  11. One mole of a monoatomic real gas satisfies the equation p(V-b)=RT wh...

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  12. For one mole of a van der Waals gas when b =0 and T =30 K the PV vs1//...

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  13. Which of the following gives straight line plot, keeping the third par...

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  14. Which of the following are incorrect?

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  15. Units of pressure are :

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  16. Which of the following are not the units of gas constant (R) ?

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  17. If a gas is allowe to expand at constant temperature,

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  18. A gas described by van der Waals equation .

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  19. The graph of P vs V is given at temperature and number of moles : ...

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  20. Which of the following statements are correct ?

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