Question

During the practical in the lab when hydrogen sulphide having offensive odour is prepared for some test ,we can smell the gas even 50 metres away. Explain the phenomenon

Answer 1

Hey there!
This phenomenon is called as DIFFUSION.
Since the molecules of hydrogen sulphide diffuses with air it reaches to us even 50m away. U can take the similar case of the smell of an incense stick.
Hope that helps you ✌️