A-LevelChemistryChemical energetics9701/12 · May/June 2017 · Q331 Mark
Which statements about endothermic reactions are correct? 1 On the reaction pathway diagram the products of the reaction are lower than the reactants. 2 There is a net transfer of heat energy from the surroundings to the reacting system. 3 the total bond energies of the reactants > the total bond energies of the products
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
C: 2 and 3 only are correct
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