The Solid State

  • Question 57
    CBSEENCH12005405

    Give two exampls of the compounds that exhibit Schottky defect.

    Solution
    KCl, AgBr
    Question 58
    CBSEENCH12005406

    What are interstitials in a crystal?

    Solution
    The atoms or ions which occupy the voids present in a crystal are termed interstitials.
    Question 59
    CBSEENCH12005407

    What will happen if NaCl crystal is subjected to high pressure?

    Solution
    It will change to CsCI structure i.e.At High pressure the coordination number change from 6:6 to 8:8 .
    Question 60
    CBSEENCH12005408

    What is unit cell.

    Solution
    Unit cell: It is the smallest repeated unit in a crystal lattice e.g., in sodium chloride and caesium chloride, the unit cell is a cube. It has all the characteristic properties of crystal.

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