Question on: JAMB Chemistry - 2023
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\(_2\)).
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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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