Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 9 - Section 9.10 - Bond Energies and Bond Lengths - Conceptual Connection - Page 414: 9.8

Answer

The correct answer is (b)

Work Step by Step

When a reaction is exothermic, it means energy is released. This will happen when the energy needed to break the bonds is lesser than the energy released by formation of new bonds, which results in a net release in energy.
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