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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2010

  • question_answer
    The appearance of colour in solid alkali metal halides is generally due to

    A)  Schottky defect              

    B)         Frenkel defect

    C)         Interstitial position        

    D)         \[F-\]centres

    Correct Answer: D

    Solution :

    In metal excess defect, F centres are produced in an ionic crystal which are responsible for the appearance of colour in solid alkali metal halides.


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