CAIE A-Level Chemistry AS 13.1.5 Systematic Nomenclature of Simple Aliphatic Questions

Practise naming simple aliphatic molecules up to the syllabus carbon limits using functional-group priority and locants.

Exam points

Select the longest chain containing the principal functional group and number it for the lowest locant.
Name aliphatic compounds with substituents, multiplicative prefixes, double-bond locants and stereochemical descriptors where required.
Name esters as alkyl alkanoates and apply the syllabus straight-chain and carbon-count limits, including nitriles and amines.

[Maximum number: 1]

An ester X has the structural formula $\mathrm{CH}_{3} \mathrm{CO}_{2} \mathrm{CH}\left(\mathrm{CH}_{3}\right) \mathrm{CH}_{2} \mathrm{CH}_{3}$ . X can be prepared by heating an alcohol Y, under reflux, with ethanoic acid and an acid catalyst.

What is the correct name for Y ?

butan-1-ol

butan-2-ol

butan-3-ol

methylpropan-2-ol

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CAIE A-Level Chemistry AS 13.1.5 Systematic Nomenclature of Simple Aliphatic Questions question 1