Account for the following: p-dichloro benzene has higer melting point than those of o-and m-dichloro benzene.

Account for the following: p-dichloro benzene has higer melting point

1.	Account for the following: p-dichloro benzene has higer melting point than those of o-and m-dichloro benzene.
Answer» Solution :p-dichloro benzene is more symmetrical than O and m isomers and so FITS perfectly in crystal lattice. THEREFORE more ENERGY is required to BREAK the crystal lattice of p-dichlorobenzens and so has higher MELTING point.