An oxidising agent that can turn ethanal into ethanoic acid or ethanoate ions will also oxidise methanoic acid, $\text{HCO}_2\text{H}$, to carbon dioxide and water. Which reagents, when heated, react in different ways with $\text{HCO}_2\text{H}$ and $\text{CH}_3\text{CO}_2\text{H}$?
- A1, 2 and 3 are correct
- B1 and 2 only are correct
- C2 and 3 only are correct
- D1 only is correct