${?}_{20}$ Match the procedural step to its purpose by dragging each step in the written procedure for the reaction of $2-$naphthol with $1$bromobutane in strong base into the appropriate box.

Prevent ethanol from bumping violently when heated

Deprotonate the alcohol to become a good nucleophile.

Avoid boiling away solvent in an open environment.

Isolate the ether product by leveraging its low solubility in water and ability to be isolated by precipitation.

Get an accurate weight of the solid by making sure it is completely dry.

Boiling chips or a stir bar are added to the round bottom flask prior to the reaction being heated under reflux.

The residue is not removed from the B$$chner filter immediately after filtration.

The contents of the reaction

flask are poured into ice.

The flask is fitted with a condenser and heated for twenty minutes.

Solid sodium hydroxide is added to $2-$naphthol with heating.