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JEE Main2014PhysicsKinetic Theory of GasesActual

At room temperature a diatomic gas is found to have an r.m.s. speed of 1930 ~ms ⁻¹ . The gas is:

Options

  1. AH ₂
  2. BCl ₂
  3. CO ₂
  4. DF ₂

Correct answer

A. H ₂

Step-by-step solution

aligned & C = 3 RT M & (1930^2 )= 3 8.314 300 M & M = 3 8.314 300 1930 1930 2 10⁻³ ~kg aligned The gas is H ₂ .

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