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Question 22016
NEET Chemistry · Hard

States of Matter: RMS speed MCQ

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RMS speedHardQuestion 22016

Question

At the same temperature, the gas with lowest molar mass has:

  1. A
    Highest rms speed
    Correct
  2. B
    Lowest rms speed
  3. C
    Same rms speed as all gases
  4. D
    Zero rms speed

Correct answer

Highest rms speed

Explanation

RMS speed varies inversely with square root of molar mass.

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