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Question: Answered & Verified by Expert
Out of o-and p-dibromobenzene which one has a higher melting point and why?
ChemistryHaloalkanes and HaloarenesNEET
Options:
  • A o-Dibromobenzene has a higher melting point because it has stronger van der waals forces.
  • B p-Dibromobenzene has a higher melting point because it has stronger dipole-dipole interactions.
  • C o-Dibromobenzene has a higher melting point because it can form hydrogen bonds.
  • D p-Dibromobenzene has a higher melting point than its o-isomer. It is due to the symmetry of the p-isomer which fits in the crystal lattice better than the o-isomer.
Solution:
2980 Upvotes Verified Answer
The correct answer is: p-Dibromobenzene has a higher melting point than its o-isomer. It is due to the symmetry of the p-isomer which fits in the crystal lattice better than the o-isomer.
Correct Option is : (D)
p-Dibromobenzene has a higher melting point than its o-isomer. It is due to the symmetry of the p-isomer which fits in the crystal lattice better than the o-isomer.

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