The following reaction is used for the preparation of oxygen gas in the laboratory . Which of the following statement(s) is(are) correct about the reaction?
It is a decomposition reaction and endothermic in nature.
Explanation for correct option:
A. It is a decomposition reaction and endothermic in nature.
Reaction for the preparation of oxygen gas:
Explanation for incorrect options:
B. It is a combination reaction.
C. It is a decomposition reaction accompanied by the release of heat.
D. It is a photochemical decomposition reaction and exothermic in nature.
Hence, the correct option is A i.e. It is a decomposition reaction and endothermic in nature.