$1,1$-dichloropropane reacts with aqueous sodium hydroxide through a sequence of steps to produce propanal. $\text{CH}_3\text{CH}_2\text{CHCl}_2 \xrightarrow{\text{NaOH(aq)}} \text{CH}_3\text{CH}_2\text{CHO}$ Which term is used to describe the first stage of this reaction?
- Aelectrophilic addition
- Belimination
- Cnucleophilic substitution
- Doxidation