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NEET Chemistry The Solid State / ठोस प्रावस्था Question Bank Self Evaluation Test - The Solid State

  • question_answer
    Which one of the following statements about packing in solids is incorrect?

    A) Coordination number in bcc mode of packing is 8.

    B) Coordination number in hcp mode of packing is 12.

    C) Void space in hcp mode of packing is 32%.

    D) Void space is ccp mode of packing is 26%.

    Correct Answer: C

    Solution :

    [c] The hcp arrangement of atoms occupies 74% of the available space and thus has 26% vacant space.


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