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Question
Draw the cis and trans structures of hex-2-ene. Which isomer will have higher b.p. and why?
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Solution
The cis and trans structures of hex-2-ene are as shown.
The cis form will have higher boiling point due to more polar nature leading to stronger intermolecular dipole-dipole interaction, thus requiring more heat energy to separate them.
The cis form will have higher boiling point due to more polar nature leading to stronger intermolecular dipole-dipole interaction, thus requiring more heat energy to separate them.
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