
Concept explainers
Interpretation:
The total energy required to break all the bonds in 1 mole of ethanol needs to be determined.
Concept introduction:
The bond energy of a chemical bond can be defined as the energy required to break that chemical bond. The bond energy that is needed to break the bonds in reactant molecule and the energy released to form
Thus, the sum of bond energies of all bonds in a molecule will be the energy which requires to break all bonds.

Answer to Problem 13STP
Option (C) is correct answer.
Explanation of Solution
Reason for correct option:
Structure of ethanol can be shown as:
Total energy required to break all bonds:
Reasons for incorrect options: The sum of bond energies of all chemical bonds present in a molecule is the energy required forbreaking all the bonds,therefore,option (b), (c) and (d) are incorrect.
Chapter U5 Solutions
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