Question 5Which of the following chemical reaction is not exothermic?A.N2(g) + O2(g) ⟶ 2NO(g)B.3O2(g) ⟶ 2O3(g)C.SO(g) + H2O(l) ⟶ H2SO3(l)D.SO3(g) + H2O(l) ⟶ H2SO4(l)Objective Show full explanation