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NEET-XII-Chemistry

01: The Solid State

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  • #12
    Distinguish between
    () Hexagonal and monoclinic unit cells
    () Face-centred and end-centred unit cells.
    () Face-centred and end-centred unit cells.
    Ans : null () Hexagonal unit cell

    For a hexagonal unit cell,



    Monoclinic unit cell

    For a monoclinic cell,


    () Face-centred unit cell

    In a face-centred unit cell, the constituent particles are present at the corners and one at the centre of each face.

    End-centred unit cell

    An end-centred unit cell contains particles at the corners and one at the centre of any two opposite faces.
    () Face-centred unit cell

    In a face-centred unit cell, the constituent particles are present at the corners and one at the centre of each face.

    End-centred unit cell

    An end-centred unit cell contains particles at the corners and one at the centre of any two opposite faces.
  • #12-i
    Hexagonal and monoclinic unit cells
    () Face-centred and end-centred unit cells.
    Ans : Hexagonal unit cell

    For a hexagonal unit cell,



    Monoclinic unit cell

    For a monoclinic cell,


    () Face-centred unit cell

    In a face-centred unit cell, the constituent particles are present at the corners and one at the centre of each face.

    End-centred unit cell

    An end-centred unit cell contains particles at the corners and one at the centre of any two opposite faces.
  • #12-ii
    Face-centred and end-centred unit cells.
    Ans : Face-centred unit cell

    In a face-centred unit cell, the constituent particles are present at the corners and one at the centre of each face.

    End-centred unit cell

    An end-centred unit cell contains particles at the corners and one at the centre of any two opposite faces.