An equation for a reaction involving ammonium ions is given below. $\text{NH}_4^+ + \text{OH}^- \rightleftharpoons \text{NH}_3 + \text{H}_2\text{O}$ There are four statements about this reaction. 1. The ammonium ions are reduced. 2. For the reverse reaction, ammonia behaves as a Brønsted-Lowry base. 3. The ammonium ion and the ammonia molecule possess the same bond angle. 4. This reaction is not a redox reaction. Which statements are correct?
- A1 and 2
- B1 and 3
- C2 and 4
- D3 and 4