Chemistry
10th Edition
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**Title:** Determining the IUPAC Name for a Given Organic Compound
**Introduction:**
In this exercise, we will determine the IUPAC name for the organic compound depicted in the structural formula below.
**Compound Structure:**
The molecule consists of a linear carbon chain with a thiol (sulfhydryl group, -SH) attached to it. This structure needs to be analyzed to ascertain the correct IUPAC name.
**Detailed Description:**
- **Carbon Chain:** The main carbon chain is comprised of five carbon atoms, making it a pentane derivative.
- **Substituents:**
- **Methyl groups (CH₃):** Located at the first and last carbon atoms of the chain.
- **Thiol group (SH):** Attached to the third carbon atom.
The structural formula can be written as:
CH₃-CH₂-CH(SH)-CH₂-CH₃
**IUPAC Naming Convention:**
The correct IUPAC name for this compound is determined using the following rules:
1. Identify the longest carbon chain containing the highest priority functional group (here, the thiol group).
2. Number the chain so that the functional group receives the lowest possible number.
3. The thiol group takes precedence over alkyl groups such as methyl in the naming system.
**IUPAC Name:**
3-Pentanethiol
**Conclusion:**
The provided compound is a thiol-containing hydrocarbon, named 3-Pentanethiol according to IUPAC nomenclature, where the position of the thiol group is indicated by the number 3 on the carbon chain.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9985dfa2-26db-459e-98b3-af2531f0e329%2Fe5a7749f-a212-4df3-9a09-98eb2cbae2e2%2Fjsecltl_processed.png&w=3840&q=75)
Transcribed Image Text:**Title:** Determining the IUPAC Name for a Given Organic Compound
**Introduction:**
In this exercise, we will determine the IUPAC name for the organic compound depicted in the structural formula below.
**Compound Structure:**
The molecule consists of a linear carbon chain with a thiol (sulfhydryl group, -SH) attached to it. This structure needs to be analyzed to ascertain the correct IUPAC name.
**Detailed Description:**
- **Carbon Chain:** The main carbon chain is comprised of five carbon atoms, making it a pentane derivative.
- **Substituents:**
- **Methyl groups (CH₃):** Located at the first and last carbon atoms of the chain.
- **Thiol group (SH):** Attached to the third carbon atom.
The structural formula can be written as:
CH₃-CH₂-CH(SH)-CH₂-CH₃
**IUPAC Naming Convention:**
The correct IUPAC name for this compound is determined using the following rules:
1. Identify the longest carbon chain containing the highest priority functional group (here, the thiol group).
2. Number the chain so that the functional group receives the lowest possible number.
3. The thiol group takes precedence over alkyl groups such as methyl in the naming system.
**IUPAC Name:**
3-Pentanethiol
**Conclusion:**
The provided compound is a thiol-containing hydrocarbon, named 3-Pentanethiol according to IUPAC nomenclature, where the position of the thiol group is indicated by the number 3 on the carbon chain.
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