Question

a gas jar contains bromine vapours, it is observed after sometime that the whole jar has turned red brown (a)Why it happens
(b)process involved

Answer 1

a) This is happen because of diffusion of bromine vapours (particles) in air . due to this the bromine particle and air particle diffuse with each other and after some time the whole jar turns to red brown colour.
b) the process involved in this is DIFFUSION..