The following reaction is used for the preparation of oxygen gas in the laboratory
2KClO3 (s) \(\rm \xrightarrow[Catalyst]{Heat}\) 2KCl (s) + 3O2 (g)
Which of the following statement(s) is(are) correct about the reaction?
1
It is a decomposition reaction and endothermic in nature
2
It is a combination reaction
3
It is a decomposition reaction and accompanied by release of heat
4
It is a photochemical decomposition reaction and exothermic in nature