H₂C CH3 A) trans-2-butene B) 2-butene C) cis-2-butene D) trans-butene E) cis-butene

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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**Question 17 of 20**

**What is the IUPAC name for the compound shown here?**

*Diagram/Structure Explanation:*
- The diagram displays a chemical structure consisting of four carbon atoms.
- Two carbon atoms form a double bond, and each of these carbons is bonded to a single hydrogen atom.
- The remaining two carbon atoms in the structure are each bonded to three hydrogen atoms (forming two methyl groups).

*Options:*
A) trans-2-butene   
B) 2-butene  
C) cis-2-butene  
D) trans-butene  
E) cis-butene  

*Correct answer:*
C) cis-2-butene

*Explanation:*
- In the depicted structure, the two methyl groups (CH₃) are on the same side of the double bond, indicating a cis configuration.
- The double bond is between the 2nd and 3rd carbon atoms in the chain, leading to the name 2-butene. 

Thus, the correct IUPAC name is "cis-2-butene."
Transcribed Image Text:**Question 17 of 20** **What is the IUPAC name for the compound shown here?** *Diagram/Structure Explanation:* - The diagram displays a chemical structure consisting of four carbon atoms. - Two carbon atoms form a double bond, and each of these carbons is bonded to a single hydrogen atom. - The remaining two carbon atoms in the structure are each bonded to three hydrogen atoms (forming two methyl groups). *Options:* A) trans-2-butene B) 2-butene C) cis-2-butene D) trans-butene E) cis-butene *Correct answer:* C) cis-2-butene *Explanation:* - In the depicted structure, the two methyl groups (CH₃) are on the same side of the double bond, indicating a cis configuration. - The double bond is between the 2nd and 3rd carbon atoms in the chain, leading to the name 2-butene. Thus, the correct IUPAC name is "cis-2-butene."
**Identify the Correct IUPAC Name for the Compound - Educational Exercise**

In this exercise, you are prompted to provide the correct IUPAC name for the given chemical structure. The structure shown in the image is a hydrocarbon chain with various substituents.

**Graph/Diagram Explanation:**
The image above depicts a skeletal formula (line-angle structure) of an organic compound. Each vertex represents a carbon atom, and the ends of the lines also represent carbon atoms unless otherwise specified. Hydrogen atoms are implied to complete the tetravalency of carbon atoms.

**Available Options:**
Below the chemical structure, there are several clickable tags that represent parts of chemical names. The list includes prefixes, numbers, and suffixes commonly used in organic chemistry nomenclature:

- Numbers: 7-, 3-, 2,7-, 2-, 8-, 3,8-
- Prefixes: sec-, di, tri, tert-, iso, cyclo
- Root Names: eth, dec, meth, non, oct, hept
- Suffixes: yl, a, ene

Your task is to combine these elements correctly to form the correct IUPAC name for the structure shown. Selecting the appropriate tags and combining them according to the IUPAC rules will help you arrive at the correct name. When satisfied with your selection, submit your answer.

### How to Approach the Nomenclature:
1. **Identify the Longest Carbon Chain**: This forms the base name (root) of the compound.
2. **Number the Chain**: Begin numbering the chain from the end nearest to any substituent group.
3. **Identify and Name Substituents**: Determine the positions of any branches or substituents and their names.
4. **Combine the Elements**: Assemble the name by placing numbers, prefixes, the root, and suffixes in the correct order according to IUPAC naming conventions.

Submit your carefully constructed name to check if you've correctly identified and named the compound.
Transcribed Image Text:**Identify the Correct IUPAC Name for the Compound - Educational Exercise** In this exercise, you are prompted to provide the correct IUPAC name for the given chemical structure. The structure shown in the image is a hydrocarbon chain with various substituents. **Graph/Diagram Explanation:** The image above depicts a skeletal formula (line-angle structure) of an organic compound. Each vertex represents a carbon atom, and the ends of the lines also represent carbon atoms unless otherwise specified. Hydrogen atoms are implied to complete the tetravalency of carbon atoms. **Available Options:** Below the chemical structure, there are several clickable tags that represent parts of chemical names. The list includes prefixes, numbers, and suffixes commonly used in organic chemistry nomenclature: - Numbers: 7-, 3-, 2,7-, 2-, 8-, 3,8- - Prefixes: sec-, di, tri, tert-, iso, cyclo - Root Names: eth, dec, meth, non, oct, hept - Suffixes: yl, a, ene Your task is to combine these elements correctly to form the correct IUPAC name for the structure shown. Selecting the appropriate tags and combining them according to the IUPAC rules will help you arrive at the correct name. When satisfied with your selection, submit your answer. ### How to Approach the Nomenclature: 1. **Identify the Longest Carbon Chain**: This forms the base name (root) of the compound. 2. **Number the Chain**: Begin numbering the chain from the end nearest to any substituent group. 3. **Identify and Name Substituents**: Determine the positions of any branches or substituents and their names. 4. **Combine the Elements**: Assemble the name by placing numbers, prefixes, the root, and suffixes in the correct order according to IUPAC naming conventions. Submit your carefully constructed name to check if you've correctly identified and named the compound.
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