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    CBSE

    Subject

    Chemistry
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    NEET Chemistry : The Solid State

    Multiple Choice Questions

    81.

    What is the co-ordination number of body centred cube ?

    • 8

    • 6

    • 4

    • 12

    Answer
    • 82.

    A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm3. The molar mass of the metal is (NA  vogadro's constant = 6.02x 1023 mol-1).

    • 40 g mol-1

    • 30 g mol-1

    • 27g mol-1

    • 20 g mol-1

    Answer
    • 83.

    The number of carbon atoms per unit cell of diamond unit cell is

    • 4

    • 8

    • 6

    • 1

    Answer
    • 84.

    A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is :

    • C3A2

    • C3A4

    • C4A3

    • C2A3

    Answer
    • 1.png
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