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Q.
Which of the following will have the maximum dipole moment?
Haloalkanes and Haloarenes
Solution:
$CH_3Cl$ has higher dipole moment than $CH_3F$ due to much longer $C-Cl$ bond length than the $C-F$ bond. The much longer bond length of the $C-C$ bond outweighs the effect produced by lower electronegativity of $Cl$ than that of $F$.