The diagram shows the energy profile for a reaction. route 1 reactants energy route 2 products progress of reaction Which statements about this reaction are correct? 1 More energy is needed to break the bonds than is released when new bonds are formed. 2 Route 1 and route 2 give the same overall equation for the reaction. 3 Route 2 involves the use of a catalyst. 4 The reaction is exothermic.

Source: 5070/11 · 16 · 2018