NEET Chemistry · Hard

Some Basic Concepts of Chemistry: Graham law MCQ

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

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Graham lawHardQuestion 20089

Question

If hydrogen diffuses four times faster than a gas X, molar mass of X is:

  1. A
    32
    Correct
  2. B
    16
  3. C
    8
  4. D
    64

Correct answer

32

Explanation

Rate ratio = sqrt(Mx/2) = 4, so Mx = 32.