(a)[2]
Write an equation for reaction 1, showing [H] as the reducing agent.
(b(i))[1]
What reaction type does reaction 2 represent?
(b(ii))[2]
Suggest an appropriate reagent and the conditions for reaction 2.
(c)[2]
Write an equation for the reaction between propanoic acid and calcium carbonate, $\text{CaCO}_3$.
(d(i))[2]
Suggest an appropriate reagent and the conditions for reaction 3.
(d(ii))[1]
Identify the second product of reaction 3.