Solid State Chemistry MCQs
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Questions and Answers

What type of structure do molecular solids have?

  • Crystalline structure (correct)
  • Polymeric structure
  • Ionic structure
  • Amorphous structure
  • In a body-centered cubic (BCC) crystal lattice, what is the coordination number?

  • 6
  • 4
  • 8 (correct)
  • 12
  • Which defect preserves overall electrical neutrality in the crystal lattice?

  • Frenkel defect (correct)
  • Stacking fault
  • Interstitial defect
  • Schottky defect
  • A compound forms hcp structure. Number of octahedral and tetrahedral voids in O.5 mole of substance is respectively

    <p>3.011×1023, 6.022×1023</p> Signup and view all the answers

    Pb has FCC structure with the edge length of unit cell 495 pm. Radius of Pb atom is

    <p>175 pm</p> Signup and view all the answers

    An Ionic compound crystallizes in FCC type structure with 'A' ions at the centre of each face and 'B' ions occupying corners of the cube. The formula of the compound is

    <p>A3B</p> Signup and view all the answers

    What is the relationship between the edge length (a) and atomic radius (r) in a simple cubic lattice?

    <p>a=2r</p> Signup and view all the answers

    How many particles are present in a face-centered cubic (FCC) unit cell?

    <p>4</p> Signup and view all the answers

    The relation between radius of sphere and edge length in body centered cubic lattice is given by formula

    <p>r=√3/4 x a</p> Signup and view all the answers

    Schottky defect is observed in which solid among

    <p>Cesium chloride</p> Signup and view all the answers

    Study Notes

    MCQ'S

    • Molecular solids are crystalline solids
    • n-type semiconductor: Si doped with As
    • Frenkel defect: preserves overall electrical neutrality
    • Coordination number of atoms in bcc crystal lattice is 8
    • A compound forms hep structures. Number of octahedral and tetrahedral voids in 0.5 mole of substance is 3.011 x 1023 (octahedral) and 6.022 x 1023 (tetrahedral)
    • Pb has FCC structure, edge length of unit cell is 495 pm, radius of Pb atom is 175 pm

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    Test your knowledge on solid state chemistry with this quiz, featuring multiple-choice questions on molecular solids, semiconductors, crystal defects, and lattice structures. Perfect for students preparing for exams or wanting to reinforce their understanding of material properties and structures.

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