why melting point of para isomers is quite higher than that of ortho or mera isomers??
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The para-isomers are high melting as compared to their ortho- and meta-isomers. Due to symmetry, para-dichlorobenzene fits closely in the crystal lattice. As a result, intermolecular forces of attraction are stronger and therefore, greater energy is required to break its lattice and its melts at higher temperature.
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The para-isomers are high melting as compared to their ortho- and meta-isomers. Due to symmetry, para-dichlorobenzene fits closely in the crystal lattice. As a result, intermolecular forces of attraction are stronger and therefore, greater energy is required to break its lattice and its melts at higher temperature.
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