Question

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

Answer 1

Answer: (B)

Near the hydrogen chloride bottle

Answer 2

r µ $\frac { 1 } { \sqrt { \mathrm { M } } }$

Molecular mass of HCl > molecular mass of NH₃

\ HCl different at slower rate and while ammonium chloride is first formed near HCl bottle