Question

Which of the following reactions/processes proceed with the absorption of energy?

• A.
  Decomposition of silver bromide
• B.
  Decomposition of vegetable matter into compost
• C.
  Combustion of methane
• D.
  Respiration

Answer 1

The correct option is A

Decomposition of silver bromide
The decomposition of silver bromide into silver metal and bromine gas requires energy in the form of light. Reactions in which energy is absorbed are known as endothermic reactions.


Hence, the correct answer is option (a).