Quiz  /  Crystal Field Theory Class 12 MCQ Questions With Answers

  • 1. 
    What law was the previous question referring to?

  • Bills law
  • Chip law
  • Moores law
  • Transistor law

  • 2. 
    What is a grain boundary?

  • Site where 5 crystals meet
  • Site where 9 crystals meet
  • Site where 2 crystals meet
  • Site where 15 crystals meet

  • 3. 
    What is the percentage of emptiness in the Simple Cubic form?

  • 48%
  • 32%
  • 26%
  • 56%

  • 4. 
    Coordination number of 10 is the characteristic of

  • BCC
  • FCC
  • SC
  • none

  • 5. 
    Which crystal structure does the picture show?

  • BBC (British Broadcasting Company)
  • FCC (Face-Centered Cubic)
  • SC (Simple Cubic)
  • BCC (Body Center Cubic)

  • 6. 
    What is the percentage of emptiness in the Body Center Cubic form?

  • 70%
  • 50%
  • 32%
  • 63%

  • 7. 
    What is the percentage of emptiness in the Face Centered Cubic form?

  • 43%
  • 29%
  • 15%
  • 26%

  • 8. 
    What is crystallography?

  • Study of cells
  • Study of earth
  • Study of oceans
  • Study of crystals

  • 9. 
    The number of switches (transistors) that can fit on a single computer chip has doubled

  • Every 2 years
  • Every 5 years
  • Every year
  • Every few months

  • 10. 
    Grain boundary is a

  • point defect
  • surface defect
  • line defect
  • none

  • 11. 
    Which of the given cubic structure has the highest packing factor

  • FCC
  • BCC
  • SC
  • none

  • 12. 
    What is shown in this picture?

  • FCC (Face-Centered Cubic)
  • SC (Simple Cubic)
  • BBC (British Broadcasting Company)
  • BCC (Body Center Cubic)

  • 13. 
    Write the configuration of d5 in strong field in octahedral complex.

  • t2g5 eg0
  • t2g3 eg2
  • t2g4 eg1
  • eg3 t2g2

  • 14. 
    Which orbital is very important in CFT?

  • s
  • p
  • d
  • f

  • 15. 
    The relation between Δt and Δo is

  • Δt = 49\frac{\text{4}}{\text{9}}94​  Δo
  • Δt = Δo
  • Δo =  49\frac{4}{9}94​  Δt
  • Δo = Δt

  • 16. 
    1 delta is similar to _____ Dq.

  • 7
  • 8
  • 9
  • 10

  • 17. 
    Tetrahedral complexes are

  • low spin always
  • high spin always
  • sometimes low spin
  • sometimes high spin
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