Methanoic acid, $\text{HCO}_2\text{H}$, and hydrocyanic acid, $\text{HCN}$, are both able to act as acids. A solution of methanoic acid has a smaller pH than a hydrocyanic acid solution with the same concentration. Which statements account for this?
- A1, 2 and 3 are correct
- B1 and 2 only are correct
- C2 and 3 only are correct
- D1 only is correct