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  5. The Solid State / ठोस प्रावस्था

12th Class Chemistry The Solid State / ठोस प्रावस्था Question Bank MCQs - The Solid State

  • question_answer
    A metal crystallises into a lattice containing a sequence of layers as ABABAB .............What percentage of voids are left in the lattice?

    A) 72%

    B) 48%

    C) 26%

    D) 32%

    Correct Answer: C

    Solution :

    ABAB... packing is hexagonal close packing in which all atoms occupy 74% of the total space. Hence, 26% of the space is empty or voids.


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