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NEET2011ChemistryStates of MatterActual

By what factor does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?

Options

  1. A2.8
  2. B4.0
  3. C1.4
  4. D2.0

Correct answer

C. 1.4

Step-by-step solution

Average velocity = 8 R T M aligned & V_ a v T & or (V_ a v )₂ (V_ a v )₁ = 2 T T =1.4 aligned

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