### Identifying the Correct IUPAC Name for the Chemical Compound#### Chemical Structure:The chemical structure presented above is illustrated through a structural diagram, representing the molecule's composition and bonds. #### Question:**What is the correct IUPAC name for the compound above?**#### Options:- ☐ 2-ethylpropanoic acid- ☐ 2-methylbutanoic acid- ☐ 2-ethylethanoic acid- ☐ 3-methylbutanoic acid#### Explanation:To determine the correct IUPAC name, follow these steps:1. Identify the longest carbon chain that includes the carboxyl group (COOH).2. Number the carbon atoms in the chain starting from the carboxyl end.3. Identify and name substituents (side chains or groups) attached to the main chain and assign their positions accordingly.4. Combine the names into a single name that follows IUPAC nomenclature rules.#### Detailed Breakdown of the Options:- **2-ethylpropanoic acid**: Propanoic acid denotes a three-carbon chain, but adding an ethyl group at the second position does not align with the given structure. - **2-methylbutanoic acid**: Butanoic acid denotes a four-carbon chain, and adding a methyl group at the second position matches the provided compound structure. - **2-ethylethanoic acid**: Ethanoic acid denotes a two-carbon chain, adding an ethyl group at the second position would not match the structure. - **3-methylbutanoic acid**: Butanoic acid denotes a four-carbon chain, but adding a methyl group at the third position does not match the structure.Given these explanations, the correct IUPAC name for the compound is:- **2-methylbutanoic acid**

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CH,CHC-OH CH, CH3 What is the correct IUPAC name for the compound above? O 2-ethylpropanoic acid O 2-methylbutanoic acid O 2-ethylethanoic acid O 3-methylbutanoic acid

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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### Identifying the Correct IUPAC Name for the Chemical Compound

#### Chemical Structure:

The chemical structure presented above is illustrated through a structural diagram, representing the molecule's composition and bonds.

#### Question:

**What is the correct IUPAC name for the compound above?**

#### Options:

- ☐ 2-ethylpropanoic acid
- ☐ 2-methylbutanoic acid
- ☐ 2-ethylethanoic acid
- ☐ 3-methylbutanoic acid

#### Explanation:

To determine the correct IUPAC name, follow these steps:

1. Identify the longest carbon chain that includes the carboxyl group (COOH).
2. Number the carbon atoms in the chain starting from the carboxyl end.
3. Identify and name substituents (side chains or groups) attached to the main chain and assign their positions accordingly.
4. Combine the names into a single name that follows IUPAC nomenclature rules.

#### Detailed Breakdown of the Options:

- **2-ethylpropanoic acid**: Propanoic acid denotes a three-carbon chain, but adding an ethyl group at the second position does not align with the given structure.

- **2-methylbutanoic acid**: Butanoic acid denotes a four-carbon chain, and adding a methyl group at the second position matches the provided compound structure.

- **2-ethylethanoic acid**: Ethanoic acid denotes a two-carbon chain, adding an ethyl group at the second position would not match the structure.

- **3-methylbutanoic acid**: Butanoic acid denotes a four-carbon chain, but adding a methyl group at the third position does not match the structure.

Given these explanations, the correct IUPAC name for the compound is:

- **2-methylbutanoic acid**

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