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Out of o- and p-dibromobenzene which one...

Out of o- and p-dibromobenzene which one has higher melting point and why?

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p-dibromobenzene has higher melting point than its o-isomer due to symmetry. Due to symmetry, p- isomer fits in the crystal lattice better than the o-isomer. Hence, p-dibromobenzene has higher melting point.
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Knowledge Check

  • Which one has the highest melting point ?

    A
    Ionic crystal
    B
    Molecular crystal
    C
    Covalent crystal
    D
    Metallic crystal

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