To make an ester, a hydrogen atom must be removed from the hydroxyl group (–OH) of the alcohol. The –OH portion of the acid's carboxyl group must also be removed. The hydrogren atom and the ...

Fat/Oil + Sodium\, Hydroxide \rightarrow Soap + Glycerol\) Fats and oils are esters made from glycerol and long chain fatty acids. Consider the hydrolysis of this triglyceride found in animal fat.