Which statement is the correct one?
- ANitrogen is unreactive due to the absence of lone pairs in the molecule.
- BAqueous ammonia contains both $\text{NH}_3\text{(aq)}$ and $\text{NH}_4^+\text{(aq)}$. The $\text{NH}_4^+\text{(aq)}$ ion is a Brønsted-Lowry acid.
- CHigh temperatures are needed to supply the energy to break the strong double bonds in nitrogen molecules when they react.
- DAtmospheric $\text{SO}_2$ reacts with unburnt hydrocarbons to form a component of photochemical smog.