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NEET Chemistry NEET PYQ-Alkali Metals

  • question_answer
    The appearance of colour in solid alkali metal halides is generally due to:   [AIPMT (S) 2006]

    A) F-centres

    B) Schottky defect

    C) Frenkel defect

    D) Interstitial positions

    Correct Answer: A

    Solution :

    [a] The appearance of colour in solid alkali metal halides is generally due to F-centres.


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