What occurs in the reaction mechanism between aqueous sodium hydroxide and $1$-bromobutane?
- Aattack by a nucleophile on a carbon atom with a partial positive charge
- Bheterolytic bond fission and attack by a nucleophile on a carbocation
- Chomolytic bond fission and attack by an electrophile on a carbanion
- Dhomolytic bond fission and attack by a nucleophile on a carbocation