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All decomposition reactions are endothermic reaction …

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All decomposition reactions are endothermic reaction but, do all endothermic reaction are decomposition reaction? Explain with example.
  • 1 answers

Yogita Ingle 5 years, 6 months ago

Decomposition reactions are usually endothermic because they involve breaking of bonds. Breaking bonds requires an input of energy, while forming bonds releases energy. Since a decomposition reaction involves breaking bonds of a large molecule to form two or more smaller molecules, more bonds are broken than are formed, which means that the reaction will require a net input of energy making it endothermic. But there are decomposition reactions which are exothermic like decomposition of hydrogen peroxide.

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