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DAT - Dental Admission Organic Chemistry: Functional Groups Flashcards

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  1. Which functional group is characteristic of an aldehyde?

    Answer: -CHO

    Aldehydes contain a terminal carbonyl group (-CHO) where the carbonyl carbon is bonded to at least one hydrogen atom.

  2. A compound containing the -NH₂ functional group is classified as:

    Answer: An amine

    The -NH₂ (amino) group is the defining functional group of primary amines.

  3. The functional group -COOH is found in which class of organic compounds?

    Answer: Carboxylic acids

    The carboxyl group (-COOH) is the defining functional group of carboxylic acids and acts as a weak acid in solution.

  4. What type of functional group is present in ethanol (CH₃CH₂OH)?

    Answer: Alcohol

    Ethanol contains a hydroxyl group (-OH) attached to a carbon chain, classifying it as a primary alcohol.

  5. Esters are formed by the condensation reaction between:

    Answer: An alcohol and a carboxylic acid

    Esterification is the condensation reaction between an alcohol and a carboxylic acid, producing an ester and water.

  6. Which functional group is present in a ketone?

    Answer: An internal C=O flanked by two carbons

    Ketones contain a carbonyl group (C=O) where the carbonyl carbon is bonded to two other carbon atoms, distinguishing them from aldehydes.