Why are halogens coloured?

Options

A. absorption of U.V. light
B. absorption of I. R. light
C. absorption of visible light
D. None of these.

Answer

C

Explanation

The colour of halogens is due to the absorption of visible light and the complementary colour is emitted
`{:(F_2,Cl_2,Br_2,I_2),("Light","Greenish","Reddish","Deep"),("yellow","yellow","brown","violet"):}`