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COMEDK2023ChemistryStates of Matter

The ratio of average velocity of a gas molecule to the root mean square velocity at a particular temperature is

Options

  1. A1 : 1.81
  2. B1.81 : 1
  3. C2 : 1.81
  4. D1.81 : 2

Correct answer

A. 1 : 1.81

Step-by-step solution

The expression for root mean square velocity is ( _ rms )= 3 R T M , and for average speed, ( _ avg )= 8 R T M For a particular gas, at particular temperature M and T are constant. aligned _ avg _ rms & = 8 R T M : 3 R T M & = 2.54 : 3 & =1: 1.81 aligned

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