Halogenoalkanes can react with hydroxide ions. $\text{RBr} + \text{OH}^- \rightarrow \text{ROH} + \text{Br}^-$ Some halogenoalkanes react via the $\mathrm{S_N1}$ mechanism. Which of the statements about the $\mathrm{S_N1}$ mechanism are correct?
- A1, 2 and 3
- B1 and 2 only
- C2 and 3 only
- D1 only