The Solid State

  • Question 205
    CBSEENCH12005553

    CsCl has which type of lattice?
    • SC
    • fcc
    • bcc

    • hcp

    Solution

    C.

    bcc

    Question 206
    CBSEENCH12005554

    If the distance between Na+ and CI ions in NaCl crystal is a pm, what is the length of the cell edge?
    • 2a pm 
    • a / 2 pm
    • 4a pm
    • a/4 pm

    Solution

    A.

    2a pm 
    Question 207
    CBSEENCH12005555

    A compound is formed by elements A and B. This crystallises in the cubic structure when atoms A are at the corners of the cube and atoms B are at the centre of the body. The simplest formula of the compound is:
    • AB
    • AB2
    • A2B
    • AB4

    Solution

    A.

    AB
    Question 208
    CBSEENCH12005556

    Name the crystal defect which lowers the density of an ionic crystal

    Solution

    Density of crystal is lowered by shottky defect.

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