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Q.
Which of the following compounds will have highest melting point?
NTA AbhyasNTA Abhyas 2020Haloalkanes and Haloarenes
Solution:
Compound II is most symmetrical because it has both - $CH_{3}$ groups and Cl atoms para to each other. therefore, it fits in the crystal lattice better than the other two isomers and hence it has high melting point.