ChemistryKinetic theory of matter and gas lawsJAMB
Ammonia and hydrogen chloride are released at opposite ends of a long tube. A white ring forms nearer the hydrogen chloride end because
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Answer: D. ammonia diffuses faster, being lighter
NH₃ (17) is lighter than HCl (36.5), so it travels further before they meet.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.