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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 ammo nia bottle
  • d)
    Throughout the length of the tube.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A bottle of dry ammonia and a bottle of dry hydrogen chloride connecte...
According to Graham's law of effusion, rate of effusion is inversely proportional to squareroot of molecular mass.  
Rate of effusion = √(1/Molar mass)
That means higher the molar mass will effuse slowly and they move shorterdistance only.
NH3 molar mass is 17 and HCl molar mass is 36.5
So HCl effuses slowly and the formation of NH4Cl white rings are
formed near by HCl
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Most Upvoted Answer
A bottle of dry ammonia and a bottle of dry hydrogen chloride connecte...
Explanation:
When dry ammonia and dry hydrogen chloride are mixed together, they react to form white ammonium chloride. In this scenario, the two bottles are connected through a long tube, and both are opened simultaneously.

The white ammonium chloride ring first formed will be near the hydrogen chloride bottle. This is because hydrogen chloride is more dense than ammonia, so it will travel down the tube faster and reach the other end first. As a result, the first reaction will occur near the hydrogen chloride bottle, and the white ammonium chloride ring will form there.

The white ammonium chloride ring will not be at the centre of the tube or near the ammonia bottle because ammonia is less dense than hydrogen chloride. Therefore, it will move more slowly down the tube and will take longer to reach the other end.

Conclusion:
In summary, when dry ammonia and dry hydrogen chloride are mixed together through a long tube, the white ammonium chloride ring will first form near the hydrogen chloride bottle because hydrogen chloride is more dense than ammonia.
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Community Answer
A bottle of dry ammonia and a bottle of dry hydrogen chloride connecte...
Ammonia have less molecular mass than hydrogen chloride and rate of diffusion depends upon inverse of square root of molecular mass therefore lesser the mass more is diffusion *hope you understood*.. ammonia can travel more distance than hydrogen chloride
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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 tubeb)Near the hydrogen chloride bottlec)Near the ammo nia bottled)Throughout the length of the tube.Correct answer is option 'B'. Can you explain this answer?
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