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Which of the following is an example of an endo... - JAMB Chemistry 2023 Question

 

Which of the following is an example of an endothermic reaction?

A

Combustion of propane (C\(_3\)H\(_8\)) to produce carbon dioxide (CO\(_2\)) and water (H\(_2\)O).

B

Burning of methane (CH\(_4\)) in the presence of oxygen

C

Formation of table salt (NaCl) from sodium (Na) and chlorine (Cl\(_2\)).

D

Decomposition of hydrogen peroxide (H\(_2\)O\(_2\)) into water (H\(_2\)O) and oxygen (O\(_2\)).

correct option: d

The decomposition of hydrogen peroxide (H₂O₂) into water (H₂O) and oxygen (O₂) is an example of an endothermic reaction. In this reaction, energy is absorbed to break the bonds in hydrogen peroxide, leading to the formation of water and oxygen.

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