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JEE Main & Advanced Chemistry The Solid State / ठोस प्रावस्था Question Bank Crystal structure and Coordination number

  • question_answer
    The co-ordination number of \[N{{a}^{+}}\] in \[NaCl\] is [Orrisa JEE 2005]

    A) 6             

    B) 8

    C) 4             

    D) 1

    Correct Answer: A

    Solution :

    In sodium chloride, each \[N{{a}^{+}}\] ion is surrounded by six \[C{{l}^{-}}\] ions and each \[C{{l}^{-}}\] ion is surrounded by six \[N{{a}^{+}}\] ions. Thus, both the ions have coordination number six.


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