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AIIMS2010ChemistryStates of Matter

Equal weight of CO and CH ₄ are mixed together in an empty container at 300 ~K . The fraction of total pressure exerted by CH ₄ is

Options

  1. A16 17
  2. B7 11
  3. C8 9
  4. D5 16

Correct answer

B. 7 11

Step-by-step solution

Let the weight of CO = weight of CH ₄=a ~g Moles of CO = a 28 Moles of CH ₄= a 16 Total moles = a 28 + a 16 x_ CH ₄ = a 16 a 28 + a 16 = a 16 28 16 44 a = 14 22 = 7 11 Fraction of pressure exerted by CH ₄=7 / 11 .

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