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Molecular Speed Distribution for JEE: 7 solved questions

Real JEE paper questions on molecular speed distribution, part of kinetic theory of gases. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2019 to 2023. No sign-in needed to read them.

What this topic asks

• rms, average and most probable speed — 5 questions
• Maxwell distribution and speed of sound — 2 questions

All 7 questions with solutions

• The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is JEE Main 6th April 2nd Shift 2023
• The rms speed of an oxygen molecule in a vessel at a particular temperature is √(x + 5)/x v, where v is the a… JEE Main 13th April 1st Shift 2023
• At 300 K, the rms speed of oxygen molecules is √(α + 5)/α times that of its average speed in the gas. Then th… JEE Main 29th Jan 2nd Shift 2023
• The relation between root mean square speed (vᵣms) and most probable speed (vₚ) for the molar mass M of oxyge… JEE Main 25th June 1st Shift 2022
• Consider a sample of oxygen behaving like an ideal gas. At 300 K, the ratio of root mean square (rms) velocit… JEE Main 18th March 2nd Shift 2021
• An HCl molecule has rotational, translational and vibrational motions. If the rms velocity of HCl molecules i… JEE Main 9th April 1st Shift 2019
• Given below are two statements. Statement I: In a diatomic molecule, the rotational energy at a given tempera… JEE Main 25th Feb 2nd Shift 2021