SELECT * FROM question_mgmt as q WHERE id=1991 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=66 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

Explain why propanol has higher boiling point than that of the hydrocarbon, butane?

Answer:

Propanol undergoes intermolecular H-bonding because of the presence of -OH group. On the other hand, butane does not.

Thus, extra energy is required to break hydrogen bonds. For this reason, propanol has a higher boiling point than hydrocarbon butane.


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