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NEET Sample Paper NEET Sample Test Paper-58

  • question_answer
    The number of octahedral sites per sphere in fee structure is:

    A) 8                                 

    B) 4      

    C) 2                                             

    D) 1

    Correct Answer: D

    Solution :

    [d] 1 In fee, particles are not only present at corners but also at centre of each face of unit cell. No. of octahedral sites \[=\frac{1}{8}\times 8=1\] = Number of atoms present in close packed arrangement. Each octahedral void is surrounded by 6 spheres. Hence coordination number is 6.


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