What Is a Hemiacetal

question 32

Multiple Choice

What is a hemiacetal?

• A) A hemiacetal, prepared from an alcohol and an aldehyde, is a compound that contains both OH and OR groups on the same carbon.
• B) Compounds prepared from ketones and alcohols and with OH and OR groups on the same carbon are known as hemiacetals.
• C) A hemiacetal is a product of acetyl group hydrolysis; it contains a COOH group.
• D) A hemiacetal is formed from alcohols and acetic acid; a hemiacetal has both acetyl and OH groups on the same carbon atom.
• E) A hemiacetal, formed from an aldehyde and an alcohol, has OH and aldehyde groups on adjacent carbon atoms in its structure.

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