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The root mean square speeds at STP for t...

The root mean square speeds at STP for the gases `H_(2), N_(2),O_2` and HBr are in the order :

A

`H_2 lt N_2 lt O_2 lt HBr`

B

`HBr lt O_2 lt N_2 lt H_2`

C

`H_2 lt N_2 = O_2 lt HBr`

D

`HBr lt O_2 lt H_2 lt N_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`HBr lt O_2 lt N_2 lt H_2`
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ERRORLESS-STATES OF MATTER -NCERT BASED QUESTIONS (MOLECULAR SPEEDS)
  1. Which is not true in case of an ideal gas?

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  2. vt0newFlow

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  3. The root mean square velocity of an ideal gas in a closed container of...

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  4. The rms speed at NTP of a gas can be calculated from the expression:

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  5. The molecular velocities of two gases at same temperature are u(1) and...

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  6. The ratio between the root mean square velocity of H2at 50 K and that ...

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  7. If the v(rms) is 30R^(1//2) at 27^(@)C then calculate the molar mass o...

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  8. At what temperature is the average velocity of O(2) molecule equal to ...

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  9. By what factor does the average velocity of a gaseous molecule increas...

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  10. The rms velocity molecules of a gas of density 4 kg m^(-3) and pressur...

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  11. At what temperature, the r.m.s. velocity of a gas measured at 50^(@)C ...

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  12. The rms velocity of CO gas molecules at 27^(@)C is approximately 1000 ...

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  13. The root mean square speeds at STP for the gases H(2), N(2),O2 and HBr...

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  14. The rms speed of N(2) molecules in a gas in u. If the temperature is d...

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  15. For one mole of an ideal gas, increasing the temperature from 10^(@)C ...

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  16. For an ideal system at thermal equilibrium, the velocity distribution ...

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  17. Plot of Maxwell’s distribution of velocities is given below

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  18. A specific volume of H2 requires 24 s to diffuse out of a container. T...

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  19. At room themperature, the average speed of Helium is Helium is higher ...

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  20. The ratio of root mean square velocity of hydrogen at K 50 to that of ...

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