NEET Chemistry · Hard

Some Basic Concepts of Chemistry: Gas mixture MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Gas mixtureHardQuestion 20095

Question

Mole fraction of a component in an ideal gas mixture is numerically equal to:

  1. A
    Its partial pressure divided by total pressure
    Correct
  2. B
    Its molarity
  3. C
    Its mass fraction always
  4. D
    Its vapour density

Correct answer

Its partial pressure divided by total pressure

Explanation

For ideal mixtures, xi=pi/Px_i = p_i/P.