HSC Chemistry — Module 7
Esters — Flashcards & Quiz
Esters form from the condensation reaction between a carboxylic acid and an alcohol, catalysed by concentrated sulfuric acid. HSC Chemistry Module 7 asks you to write the general Fischer esterification equation, predict products for specific acid/alcohol combinations, name esters using IUPAC rules, and explain applications in flavourings, perfumes and solvents. Saponification (base hydrolysis of esters) is the reverse reaction worth knowing.
Sample Flashcards
Q1: How are esters formed and what are their uses?
Esters form by condensation reaction between an alcohol and a carboxylic acid (esterification), with an acid catalyst. By-product: water. General equation: acid + alcohol ⇌ ester + water. Esters are named: alcohol part first (-yl), then acid part (-anoate).
Sample Quiz Questions
Q1: An ester is formed by the reaction of an alcohol with a carboxylic acid.
Answer: TRUE
Esterification: alcohol + carboxylic acid ⇌ ester + water, with acid catalyst. The ester contains the -COO- linkage.
Related Concepts
Last updated: March 2026 · 1 flashcards · 1 quiz questions