Structure 3.2—Functional groups: Classification of organic compounds：練習問題

Which of the following represents the general structure of an ether?

Which of the following statements regarding a homologous series is correct?

In which of the following compounds is the nitrogen atom classified as part of a secondary amine?

What is the IUPAC suffix used for a compound containing a carboxylic acid functional group?

Which functional group is defined by a nitrogen atom bonded directly to a carbon atom that is double-bonded to an oxygen atom?

Identify the specific class of organic compounds characterized by the presence of a carboxyl group.

Identify the specific class of organic compounds and the name of the functional group present in a molecule with the structural formula \(CH_{3}CH_{2}CN\).

Consider a molecule with the molecular formula \(C_2H_3N\). Identify the functional group present that allows this molecule to be classified as a nitrile, and provide its IUPAC name.

Consider the organic compound with the condensed structural formula: $$CH_3CH(OH)CH_2COOH$$.

a) Identify and name all functional groups present in this molecule.

b) For each identified functional group, state the general class of organic compounds it characterizes.

A student is analyzing an unknown organic compound with the molecular formula \( \text{C}_3\text{H}_6\text{O}_2 \).
a) The compound reacts with an alcohol in the presence of a catalyst to form an ester. Identify the functional group present in the original compound and provide its name. (1)
b) Draw the full structural formula for two possible isomers of \( \text{C}_3\text{H}_6\text{O}_2 \) that belong to different homologous series. (2)
c) Discuss the solubility of the carboxylic acid isomer in water compared to an alkane of similar molar mass. (2)