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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Which of the following statement is correct?
  • ✓
    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

Correct option: A.
The $C−X$ bond in haloalkanes is more polar than the $C−X$ in haloarenes.
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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