A bottle of dry ammonia ( N H 3 ) and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the white ammonium chloride ring first formed will be

Question

A bottle of dry ammonia ( N H 3 ) and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the white ammonium chloride ring first formed will be, at the centre of the tube, near the hydrogen chloride bottle, near the ammonia bottle, throughout the length of the tube

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Ammonia being lighter gas (mol. mass = 17 g m o l - 1 ) diffuses faster than dry hydrogen chloride gas (mol. mass = 36.5 g m o l - 1 ). It means white fumes will be formed near HCl bottle.

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