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Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
Options
(a) H₂,O₂,N₂,HBr
(b) HBr,O₂,N₂,H₂
(c) H₂,N₂,O₂, HBr
(d) HBr,N₂,O₂,H₂
Correct Answer:
HBr,O₂,N₂,H₂
Explanation:
Increasing order of rms velocities of H₂, O₂, N₂ and HBr is HBr,O₂,N₂,H₂
rms velocity is inversely proportional to square root of molar mass M,
ν(rms) = √(3RT / M)
.·. rms velocity decreases with increase in molar mass.
Related Questions: - Which of the following pairs of a chemical reaction is certain to result
- In a closed insulated container a liquid is stirred with a paddle to increase
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Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following pairs of a chemical reaction is certain to result
- In a closed insulated container a liquid is stirred with a paddle to increase
- For spontaneous cooling of a hot metal rod (system) in air
- Standard reduction potential for Al³⁺/Al , Fe²/Fe, Br/Br are ₋1.66V, ₋0.45V, 1.09V
- Acetylation of a secondary amine in alkaline medium yields
Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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