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NEET Chemistry The Solid State / ठोस प्रावस्था Question Bank Self Evaluation Test - The Solid State

  • question_answer
    A crystal lattice with alternate positive and negative ions has radius ratio 0.524. Its co-ordination number is

    A) 4                     

    B) 3    

    C) 6         

    D) 12

    Correct Answer: C

    Solution :

    [c] \[\frac{{{r}^{+}}}{{{r}_{a}}}=0.524\]. It is in between \[0.414-0.732.\] Hence C. No. = 6.


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