States of Matter - Result Question 33

####33. 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

(1988,1M)

(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

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Solution:

  1. HCl will diffuse at slower rate than ammonia because rate of effusion 1M.

Therefore, ammonia will travel more distance than HCl in the same time interval and the two gas will first meet nearer to HCl end.



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