Name the following:
g.
h.
i.

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Step 1: Analyze the first structure. It consists of a benzene ring with two substituents: a methyl group (CH₃) and a bromine atom (Br). Determine the positions of the substituents on the benzene ring and assign the lowest possible locants following IUPAC nomenclature rules.

Step 2: For the second structure, observe that it contains a benzene ring with a methyl group (CH₃) attached, and the benzene ring is connected to a cyclohexane ring. Identify the parent chain and name the substituents accordingly.

Step 3: Examine the third structure. It consists of a benzene ring with three substituents: an ethyl group (CH₂CH₃), a chlorine atom (Cl), and an amino group (NH₂). Assign the lowest possible locants to the substituents, prioritizing functional groups like NH₂ according to IUPAC rules.

Step 4: For each structure, combine the substituent names with the parent chain name (benzene) and include locants to indicate the positions of the substituents. Ensure the names are in alphabetical order for substituents.

Step 5: Verify the names for accuracy and consistency with IUPAC nomenclature rules, ensuring that the substituents and their positions are correctly represented in the final name.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Nomenclature in Organic Chemistry

Nomenclature refers to the systematic naming of organic compounds based on established rules. The International Union of Pure and Applied Chemistry (IUPAC) provides guidelines for naming compounds, which include identifying the longest carbon chain, determining functional groups, and applying prefixes and suffixes to indicate structure and substituents.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Common functional groups include hydroxyl (-OH), carboxyl (-COOH), and amino (-NH2) groups. Recognizing these groups is essential for predicting the behavior and reactivity of organic compounds.

Structural Representation

Structural representation involves depicting the arrangement of atoms within a molecule, which can be shown through various formats such as Lewis structures, condensed formulas, or skeletal structures. Understanding these representations is crucial for visualizing molecular geometry, bonding, and the overall structure of organic compounds, aiding in their identification and naming.

Name the following:g. h. i.