RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Coordination number 8 : 8 is of

    A) \[CsCl\]               

    B)        \[KCl\]                                 

    C)        \[NaCl\]                              

    D)        \[ZnS\]

    Correct Answer: A

    Solution :

    \[CsCl\]has body centred cubic arrangement. Each \[C{{s}^{+}}\]ion is surrounded by \[8\,\,C{{l}^{-}}\] ions and each \[C{{l}^{-}}\] ion is surrounded by \[8\,\,C{{s}^{+}}\] ions, ie, this structure has \[8:8\] coordination.


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