Quiz  /  Hybridisation Class 12 MCQ Questions With Answers

  • 1. 
    What is the type of hybridisation of the central atom on SF6?

  • sp
  • sp2
  • sp3
  • sp3d
  • sp3d2

  • 2. 
    What is the type of hybridisation of the central atom on XeF4?

  • sp
  • sp2
  • sp3
  • sp3d
  • sp3d2

  • 3. 
    What is the type of hybridisation of the central atom on PF5?

  • sp
  • sp2
  • sp3
  • sp3d

  • 4. 
    What is the type of hybridisation of the central atom on H2O?

  • sp
  • sp2
  • sp3
  • sp3d

  • 5. 
    What is the type of hybridisation of the central atom on XeF2?

  • sp
  • sp2
  • sp3
  • sp3d
  • sp3d2

  • 6. 
    What is the type of hybridisation of the central atom on BeCl2?

  • sp
  • sp2
  • sp3
  • sp3d

  • 7. 
    What is the type of hybridisation of the central atom on AsCl5?

  • sp
  • sp2
  • sp3
  • sp3d

  • 8. 
    What is the type of hybridisation of the central atom on SF4?

  • sp
  • sp2
  • sp3
  • sp3d

  • 9. 
    What is the type of hybridisation of the central atom on BH3?

  • sp
  • sp2
  • sp3
  • sp3d

  • 10. 
    What is the type of hybridisation of the central atom on CO2?

  • sp
  • sp2
  • sp3
  • sp3d

  • 11. 
    What is the type of hybridisation of the central atom on BrF5?

  • sp
  • sp2
  • sp3
  • sp3d
  • sp3d2

  • 12. 
    In an MO diagram, if all electrons are paired, this means the molecule is ___.

  • diamagnetic
  • paramagnetic
  • polar
  • nonpolar

  • 13. 
    What is the bond order of the molecule shown here?

  • 0
  • 1
  • 2
  • 6

  • 14. 
    In which case does the central atom violate the octet rule?

  • BH3
  • NH3
  • H2O
  • HCl

  • 15. 
    Which is NOT correctly matched?

  • tetrahedral = sp3
  • trigonal planar = sp2
  • all of these are correctly matched
  • trigonal bipyramidal = sp3d2

  • 16. 
    Which statements are true?

  • there are 4 pi bonds
  • all C atoms are sp2 hybridized
  • all C atoms have 120o bond angles
  • All of above

  • 17. 
    In which molecule does the central atom have the same hybridization as the central atom in SF4?

  • CH4
  • XeF4
  • NH3
  • PH5

  • 18. 
    A particular MO diagram shows a diatomic molecule to have 10 bonding and 7 antibonding electrons. What is the bond order?

  • 3
  • 1
  • 1.5
  • 1.3

  • 19. 
    Which is true of the C2 molecule shown here?

  • paramagnetic and bond order = 2
  • paramagnetic and bond order = 1
  • diamagnetic and bond order = 2
  • diamagnetic and bond order = 1

  • 20. 
    Which is most likely to form a covalent bond?

  • an alkali metal bonded to a halogen
  • a halogen bonded to a hydrogen atom
  • two transition metal atoms bonded to each other
  • a transition metal bonded to oxygen

  • 21. 
    Molecule CO2

  • undergoes sp2 hybridisation
  • has 2 σ bond and 2 π bond
  • undergoes sp3d hybridisation
  • is trigonal planar molecule

  • 22. 
    The hybridisation of the central atom in the following molecules is same EXCEPT

  • NH3
  • H2O
  • AlCl3
  • C2H6

  • 23. 
    What is the hybridization of this molecule shown.

  • sp
  • sp2
  • sp3
  • sp4

  • 24. 
    Two carbon atoms form a linear shaped ethene, C2H4, molecule when bonded with four other hydrogen atoms. Prior to bonding, the carbon atom

  • does not hybridise
  • undergoes sp hybridisation
  • undergoes sp2 hybridisation
  • undergoes sp3 hybridisation

  • 25. 
    What is the hybrid orbital used by the central atom in SF6

  • sp2
  • sp3
  • sp3d
  • sp3d2

  • 26. 
    What is the hybridization of PF5?

  • sp3
  • sp3d
  • sp3d2
  • sp2
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