CAIE IGCSE Chemistry 11.7.3 Reaction of a Carboxylic Acid with an Questions

Work through real CAIE IGCSE Chemistry questions to identify ester reactants, products, formulae, names and reaction conditions.

Exam points

describe esterification of a carboxylic acid with an alcohol using an acid catalyst and heat
identify the ester and water products and write balanced or word equations for ester formation
deduce the alcohol and carboxylic acid reactants from an ester name or structural formula, and name the ester formed
state suitable conditions such as concentrated sulfuric acid or another acid catalyst and heating

[Maximum number: 2]

Many organic compounds contain carbon and hydrogen only.

Carboxylic acids and esters contain carbon, hydrogen and oxygen only.

An ester X and a carboxylic acid Y both contain 3 carbon atoms.
X and Y have the same molecular formula.

Esters are made by the reaction between carboxylic acids and alcohols.

Ester X is methyl ethanoate.
Name the carboxylic acid and the alcohol used to make methyl ethanoate.
carboxylic acid
alcohol

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CAIE IGCSE Chemistry 11.7.3 Reaction of a Carboxylic Acid with an Questions question 1