IMAT 2011 Q61 [Organic Chemistry]

Which one of the following compounds can be made from ethanol using only a substitution reaction?

A. Ethene
B. Ethanal
C. Ethanoic acid
D. Ethoxyethane
E. Bromoethane

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To compare we can quickly say:

Ethene can be made by an elimination reaction. Therefore A is incorrect.

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Ethanal and Ethanoic Acid can be formed by the oxidation of Ethanol. Therefore B and C are incorrect.

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Ethoxyethane can be formed by the dehydration of Ethannol. Therefore D is also incorrect.

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Bromoethane can only be formed by a simple substitution reaction of Ethanol, which makes E our answer.

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