CBSE Class 12-science Answered
why are halogens coloured ?
Is it because they have unpaired electrons ?
Asked by jash jacob | 16 Jan, 2012, 12:00: AM
Expert Answer
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 region. Since the amount of energy required for excitation differs for each halogen, each halogen displays a different colour
Answered by | 16 Jan, 2012, 11:00: PM
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