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At STP the order of root mean square vel...

At STP the order of root mean square velocity of molecules of `H_2, N_2, O_2` and HBr is 

A

`N_2 gt HBr gt O_2 gt H_2`

B

`H_2 gt N_2  gt O_2  gt HBr`

C

`HBr gt H_2gt O_2 gt N_2`

D

`H_2 gt O_2 gt  HBr gt N_2`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE - 1 (TYPES OF VELOCITIES)
  1. Which of the following molecules have the highest mean speed at the sa...

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  2. Molecules having the least RMS velocity at constant temperature are

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  3. When pressure is increased upon a gas at constant temperature

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  4. The most probable velocity of the molecules is given by (m is mass of ...

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  5. Which of the following is incorrect?

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  6. The gas which is easy to liquefy is

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  7. The RMS velocities of two gases at the same temperature are u1 and u2 ...

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  8. Which of the following relations regarding molecular velocities are tr...

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  9. At STP the order of root mean square velocity of molecules of H2, N2, ...

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  10. Match the following. {:("LIST - 1 ","LIST - 2 "),("(A) Average velco...

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  11. {:("LIST - 1 ","LIST - 2 "),((A) 0.0821 "lit. atm mol"^(-1)k^(-1),"(1)...

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  12. {:("List -I","List - II"),("A)" sqrt((U1^2 + U2^2 + ….+ Un^2)/(n)),"1)...

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  13. The root mean square velocity of a gas is doubled when the temperature...

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  14. Which of the following indicates RMS velocity of a gas? a) sqrt((2RT...

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  15. Plot of Maxwell's distribution of velocities is given below : Whi...

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  16. The most probable speed of O(2) molecules at T(K) is

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  17. The given figure shows the Maxwell distribution of molecular speeds of...

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