Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 75 views

    Solid State - DPP 01 - Prayas JEE AIR 2024

    Uploaded by

    azmath pk
    This document contains a 12-question multiple choice quiz on solid state and crystal structures. The questions cover topics such as unit cell types and dimensions, crystal system classification, packing fractions, nearest neighbor distances, and formula determination based on unit cell contents. Key concepts assessed include cubic, tetragonal, monoclinic, hexagonal, and triclinic crystal systems as well as simple cubic, body centered cubic, and face centered cubic unit cell types.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Solid State - DPP 01 - Prayas JEE AIR 2024

    Uploaded by

    azmath pk
    75 views3 pages
    This document contains a 12-question multiple choice quiz on solid state and crystal structures. The questions cover topics such as unit cell types and dimensions, crystal system classification, packing fractions, nearest neighbor distances, and formula determination based on unit cell contents. Key concepts assessed include cubic, tetragonal, monoclinic, hexagonal, and triclinic crystal systems as well as simple cubic, body centered cubic, and face centered cubic unit cell types.

    Original Description:

    Original Title

    Solid State _ DPP 01 __ Prayas JEE AIR 2024

    Copyright

    © © All Rights Reserved

    Available Formats

    PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    This document contains a 12-question multiple choice quiz on solid state and crystal structures. The questions cover topics such as unit cell types and dimensions, crystal system classification, packing fractions, nearest neighbor distances, and formula determination based on unit cell contents. Key concepts assessed include cubic, tetragonal, monoclinic, hexagonal, and triclinic crystal systems as well as simple cubic, body centered cubic, and face centered cubic unit cell types.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    75 views3 pages

    Solid State - DPP 01 - Prayas JEE AIR 2024

    Uploaded by

    azmath pk
    This document contains a 12-question multiple choice quiz on solid state and crystal structures. The questions cover topics such as unit cell types and dimensions, crystal system classification, packing fractions, nearest neighbor distances, and formula determination based on unit cell contents. Key concepts assessed include cubic, tetragonal, monoclinic, hexagonal, and triclinic crystal systems as well as simple cubic, body centered cubic, and face centered cubic unit cell types.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 3

    1

    Prayas JEE AIR 2024


    Solid State DPP-01

    1. The unit cell with crystallographic dimensions 7. Which of the following is correct ?
    a = b  c,  =  =  = 90° is Crystal Axial Axial Examples
    (A) Cubic (B) Tetragonal System Distance Angle
    (C) Monoclinic (D) Hexagonal (A) Cubic a  b = c  =    Cu, KCl
    = 90°
    2. If three elements X, Y & Z crystallized in cubic (B) Monoclinic a  b = c  =  =  PbCrO2,
    solid lattice with X atoms at corners, Y atoms at = 90° PbCrO4
    cube centre & Z-atoms at the edges, then the (C) Rhombohed a = b = c  =  =  CaCO3,
    formula of the compound is :  90° HgS

    (A) XYZ (B) XY3Z (D) Triclinic a = b = c    =  K2Cr2O7,


    (C) XYZ3 (D) X3YZ  90° CuSO4,
    5H2O

    3. In a cubic unit cell, seven of the eight corners are


    occupied by atoms A and centres of faces are 8. In a hexagonal crystal:
    occupied by atom B. The general formula of the (A)  =  =   90°; a = b = c
    compound is : (B)  =  =  = 90°; a = b  c
    (A) A7B6 (B) A7B12 (C)  =  =  = 90°; a  b  c
    (C) A7B24 (D) A24B7 (D)  =  = 90°,  = 120º; a = b  c

    4. The volume occupied by an atoms in a simple cubic 9. A body centered cubic lattice is made up of hollow
    unit cell is – spheres of B. Spheres of solid A are present in
    4a 3 hollow spheres of B. Radius of A is half of radius
    (A) a3 (B)
    3 of 6. What is the ratio of total volume of spheres of
    a 3
    3 B unoccupied by A in a unit cell and volume of unit
    (C) (D)
    6 8 cell?
    7 3 7 3
    (A) (B)
    5. The packing fraction in simple cubic lattice is 64 128
    1 2 7.
    (A)  (B)  (C) (D) None of these
    6 6 24
    3 1
    (C)  (D)  10. First three nearest neighbour distances for primitive
    8 2
    cubic lattice are respectively (edge length of unit
    6. Total volume of atoms presents in a face centered cell = a):
    cubic unit cell of a metal is (r is atomic radius) (A) a, 2a, 3a
    20 3 24 3 (B) 3a, 2a,a
    (A) r (B) r
    3 3
    (C) a, 2a, 2a
    12 3 16 3
    (C) r (D) r (D) a, 3a, 2a
    3 3
    2

    11. First three nearest neighbour distances for body 12. Given : The unit cell structure of compound is
    centered cubic lattice are respectively: shown below.
    (A) 2a,a, 3a
    a
    (B) ,a, 3a
    2
    3a
    (C) ,a, 2a
    2
    3a
    (D) ,a, 3a
    2 The formula of compound is:
    (A) A8B12C5 (B) AB2C3
    (C) A2B2C5 (D) ABC5
    3

    Answer Key
    1. (B) 7. (C)
    2. (C) 8. (D)
    3. (C) 9. (D)
    4. (C) 10. (A)
    5. (A) 11. (C)
    6. (C) 12. (B)

    PW Web/App - https://smart.link/7wwosivoicgd4

    Library- https://smart.link/sdfez8ejd80if

    You might also like