CBSE  /  Class 11  /  Chemistry  /  Chemical Bonding and Molecular Structure

  • 1. 
    The bond length between hybridised carbon atom and other carbon atom is minimum in

  • Propane
  • Butane
  • Propene
  • Propyne

  • 2. 
    The number of nodal planes present in s × s antibonding orbitals is

  • 1
  • 2
  • 0
  • 3

  • 3. 
    The hybrid state of sulphur in SO

  • sp²
  • sp³
  • sp
  • sp³d

  • 4. 
    Which one of the following does not have sp² hybridised carbon?

  • Acetone
  • Acetic acid
  • Acetonitrile
  • Acetamide

  • 5. 
    Which of the following will have the lowest boiling point?

  • 2-MethylButane
  • 2-MethylPropane
  • 2,2-Dimethylpropane
  • n-Pentane

  • 6. 
    Among the following the maximum covalent character is shown by the compound

  • MgCl
  • FeCl
  • SnCl
  • AlCl

  • 7. 
    Among the following mixtures, dipole-dipole as the major interaction, is present in

  • benzene and ethanol
  • acetonitrile and acetone
  • KCl and water
  • benzene and carbon tetrachloride

  • 8. 
    The value of n in the molecular formula Be Al Si O is

  • 3
  • 5
  • 7
  • 9

  • 9. 
    Which of the following types of hybridisation leads to three dimensional geometry of bonds around the carbon atom?

  • sp
  • sp²
  • sp³
  • None of these

  • 10. 
    The maximum number of hydrogen bonds that a molecule of water can have is

  • 1
  • 2
  • 3
  • 4
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