Why are halogens coloured?

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(B) Almost all halogens are coloured. This is because halogens absorb radiations in the visible region. This results in the excitation of valence elec

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Due to the absorption of visible light and excitation of valence electrons

Vedclass · Answer

(B) Almost all halogens are coloured. This is because halogens absorb radiations in the visible region. This results in the excitation of valence electrons to a higher energy level. Since the amount of energy required for excitation differs for each halogen,each halogen displays a different colour.

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