Question

The dipole moment of o, p, q m-dichloro benzene will be in the order
a) o >p>m
b)p>o >m
c) m>O >P
​

Answer 1

Dipole moment of p – dichlorobenzene is zero due to symmetrical structure. o- and m-dichlorobenzene have higher dipole moments than toluene due to high electronegativity of chlorine than –CH3 group. o-dichlorobenzene has higher dipole moment due to lower bond angle than the m-isomer.

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