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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Which of the following statement is correct?
  • A
    The C−X bond in haloalkanes is more polar than the C−X in haloarenes.
  • B
    The C−X bond in haloalkanes is less polar than the C−X in haloarenes.
  • C
    Polarity of C−X bond in haloalkane is equal to the polarity of C−X bond in haloarenes.
  • D
    Polarity of C−X bond in both depends on conditions.
✓

Answer

  1. The C−X bond in haloalkanes is more polar than the C−X in haloarenes.

Explanation:

In haloarenes due to resonance, charge distribution or rotation of charge on benzene nucleus takes place hence the C−X bond in haloalkanes ( which are not aromatic) is more polar than the C−X bond in halo arenes (aromatic).

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