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13.9     Draw the cis and trans structures of hex-2-ene. Which isomer will have higher b.p. and why?

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The structure of the hex-2-ene is shown here-

Now, the Geometrical, cis and trans isomers -

Cis-isomer has a higher boiling point than trans-isomers due to more dipole-dipole interaction between the molecules. The cis-form is more polar than trans-form because it has a high dipole moment than trans-form. Trans-form is almost non-polar in nature.

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