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Which of the following bonds are broken when ethanol is boiled?I. Covalent bonds...


Question

Which of the following bonds are broken when ethanol is boiled?

I. Covalent bonds

II. Ionic bonds

III. Hydrogen bonds

Options

A) I only

B) II only

C) III only

D) I, II, III


The correct answer is C.

Explanation:

Ethanol is kept as a liquid by hydrogen bonds which hold its molecules close together. Boiling causes the molecules to vibrate faster thereby destroying the bond force. The molecules now held together by no force are set lose and hence evaporate.

Explanation provided by Roland Ekene


More Past Questions:


Dicussion (1)

  • Ethanol is kept as a liquid by hydrogen bonds which hold its molecules close together. Boiling causes the molecules to vibrate faster thereby destroying the bond force. The molecules now held together by no force are set lose and hence evaporate.