Select from the following a decomposition reaction in which source of energy for decomposition is light :

Select from the following a decomposition reaction in which source of energy for decomposition is light :
  1. 2FeSO4 → Fe2O3 + SO2 + SO3
  2. 2H2O → 2H2 + O2
  3. 2AgBr → 2Ag + Br2
  4. CaCO3 → CaO + CO2

Solution

2 AgBr → 2 Ag + Br2

Asked in: CBSE

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