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JAMB Chemistry 2013 Paper

Question : 28

Total: 44

2- methylpropan-2-ol is an example of a

Solution:

Concept:

The class of an alkanol is determined by the number of alkyl groups attached to the carbon bearing the hydroxyl group.

Explanation:

2-methylpropan-2-ol has the structure:

(\mathrm{CH}_3)_3\mathrm{COH}

The carbon bonded to the

\mathrm{OH}

group is attached to three methyl groups.

Since it is bonded to three alkyl groups, it is a tertiary alkanol.

Answer:

B. tertiary alkanol

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