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J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
    In zinc blende structure, the coordination number of the cation is

    A)  4                                            

    B)  6    

    C)  8                                            

    D)  12

    Correct Answer: A

    Solution :

                    Zinc blende\[(ZnS)\]has fee structure. It is anionic crystal having\[4:4\]coordination number.\[{{S}^{2-}}\]form fee lattice and\[Z{{n}^{2+}}\]has alternate tetrahedral voids. Hence, in zinc blende structure, the coordination number of cation\[(Z{{n}^{2+}})\]is 4.


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