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12th Class Chemistry The Solid State / ठोस प्रावस्था Question Bank 12th CBSE Chemistry The Solid State

  • question_answer
      NaCl crystals when heated in sodium vapours become yeltew Why?

    Answer:

      NaCI crystals when heated in sodium vapour becomes yellow due to metal excess defect caused by addition of Na metal. KCl crystals when heated in potassium vapours become violet due to metal excess defect caused by addition of K atom.


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