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NEET UG CHEMISTRY MCQ: STATES OF MATTER

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NH3N{H_3} and HClHCl gas are introduced simultaneously from the two ends of a long tube. A white ring of NH4Cl\mathrm{N}{\mathrm{H}_4}\mathrm{Cl} appears first
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Correct option: A
Nearer to the HCl end
Option A (Nearer to the HCl end) is correct because HCl has a higher molar mass and thus diffuses slower than NH3.

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