Look at the diagram on the right side, jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a glass plate placed between them

What will happen when the glass plate between the two jars is pulled away ?
What name is given to the phenomenon which takes place ?
Name the brown gas which could be in jar A.
(d) Which is the colourless gas most likely to be present in jar B ?
(e) Name one coloured solid and one colourless liquid which can show the same phenomenon

Answer

(a) The red-brown gas will diffuse from jar A into colourless gas in jar B due to which is red-brown colour will also spread into jar B (b) Diffusion (in gases) (c ) Bromine vapour (d) Air (e) Potassium permanganate and water