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DUMET Medical DUMET Medical Solved Paper-2003

  • question_answer
    Coordination number of  \[N{{a}^{+}}\] ion in rock salt is :

    A)  12             

    B)  4

    C)  8              

    D)  6

    Correct Answer: D

    Solution :

    \[\because \] In rock salt \[(NaCl)\] one \[N{{a}^{+}}\] ion is surrounded by \[6C{{l}^{-}}\] ions. \[\therefore \] Coordination number of Na4 in rock salt is 6.


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