Question

why are halogens coloured?​

Answer 1

Complete step by step answer: The colour of halogens is due to the absorption of different quanta of radiations in the visible region which results in excitation of outer electrons to higher energy levels, thus different colours are observed. ... Halogens have unpaired electrons in their outermost shell.

Answer 2

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Complete step by step answer: The colour of halogens is due to the absorption of different quanta of radiations in the visible region which results in excitation of outer electrons to higher energy levels, thus different colours are observed. ... Halogens have unpaired electrons in their outermost shell.