alleryEthanoic acid (acetic acid, CH₃COOH) reacts with ethanol in the presence of an acid catalyst to form
AEthanoic anhydride and heat
BEthene gas and water product
CAn ester (ethyl ethanoate) plus water
DSodium ethanoate salt only
Answer & Solution
Correct answer: C. An ester (ethyl ethanoate) plus water
1. This is the esterification reaction of alcohols with carboxylic acids.
2. Acetic acid + ethanol → ethyl ethanoate + water (in the presence of H₂SO₄).
3. Esters give sweet fruity smells and are used in perfumes and flavourings.
4. The reaction is reversible; excess reactant drives the equilibrium.
_Source: syllabus Science, Ch 4 "Carbon and its Compounds", §4.2.4_
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