12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank 12th CBSE Chemistry The P-Block Elements

  • question_answer
      Why are halogens coloured? Explain.

    Answer:

      The colour of halogen is due to the fact that their molecules absorb light in the visible region as a result of which their electrons are excited to higher energy levels while the remaining light is transmitted and the transmitted light is the colour of that element.


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