Essential Chemistry for IGCSE - Polymers (Section 1 - No. 6)
Which of the following combinations of functional groups react to form an ester linkage?
Alcohol and amine
Alcohol and carboxylic acid
Amine and carboxylic acid
Alcohol and ether
הֶסבֵּר
Ester linkages are formed from an alcohol and a carboxylic acid.