Mark the wrong statement. Halogens are all coloured

Options

A. This is due to absorbption of visible light by their molecules resulting in the excitation of outer electrons to higher enrgy levels.
B. The small `F_2` molecules absorbs high energy violet radiations and appear light yellow in colour
C. The small `F_2` molecule absorb low energy yellow and green radiations and appear violet in colour
D. The excitation energy required by the small fluroine atoms is smaller than required by the large iodine atom

Answer

D