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NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    For ZnS, the coordination number of cation and anion are respectively

    A)  4, 4                             

    B)  4, 6

    C)  6, 6                             

    D)  4, 8

    Correct Answer: A

    Solution :

    ZnS has zinc blend structure \[Z{{n}^{2+}}\] occupy half of tetrahedral void and \[{{S}^{-}}^{\,-\,}\] occupy FCC lattice points and coordination number of \[Z{{n}^{2\,+}}\] and \[{{S}^{-}}^{\,-}\] are 4 and 4 respectively.


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