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05/10/2020 12:13 pm
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A bottle of dry ammonia 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
(a) at the centre of the tube.
(b) near the hydrogen chloride bottle.
(c) near the ammonia bottle.
(d) throughout the length of the tube
1 Answer
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05/10/2020 12:16 pm
(b) near the hydrogen chloride bottle.
Explanation:
Rate of diffusion ∝ √(1/Molecular mass)
∵ Molecular mass of HCl > Molecular mass of NH3
∴ HCl diffuses at slower rate and white ammonium chloride is first formed near HCl bottle.