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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Question 24
![**Quiz Question: Determining Alkene Geometry**
**Question:**
What is the geometry of the following alkene: E, Z, or neither?
![Structure of the alkene molecule.]
**Options:**
- O Neither
- O E
- O Z
**Explanation:**
In this image, we are given the structure of an alkene and asked to determine its geometry—whether it is E (entgegen), Z (zusammen), or neither. The geometry of an alkene is determined using the Cahn-Ingold-Prelog priority rules.
To determine the E/Z configuration:
1. Assign priority to the substituents attached to each of the double-bonded carbons based on atomic number. The higher the atomic number, the higher the priority.
2. Compare the positions of the higher priority groups on each carbon of the double bond:
- If the higher priority groups are on the same side, the alkene is Z (zusammen).
- If the higher priority groups are on opposite sides, the alkene is E (entgegen).
Based on the diagram shown, analyze the priority groups and select the appropriate option.
**Note:** This type of exercise is common in organic chemistry courses and helps students practice the application of theoretical rules to molecular structures.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4b8199f-1785-4bf8-892f-b1973e07d452%2Fd957659a-8106-4324-8eb0-1ccc45f2ffb0%2Foxqkk5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Quiz Question: Determining Alkene Geometry**
**Question:**
What is the geometry of the following alkene: E, Z, or neither?
![Structure of the alkene molecule.]
**Options:**
- O Neither
- O E
- O Z
**Explanation:**
In this image, we are given the structure of an alkene and asked to determine its geometry—whether it is E (entgegen), Z (zusammen), or neither. The geometry of an alkene is determined using the Cahn-Ingold-Prelog priority rules.
To determine the E/Z configuration:
1. Assign priority to the substituents attached to each of the double-bonded carbons based on atomic number. The higher the atomic number, the higher the priority.
2. Compare the positions of the higher priority groups on each carbon of the double bond:
- If the higher priority groups are on the same side, the alkene is Z (zusammen).
- If the higher priority groups are on opposite sides, the alkene is E (entgegen).
Based on the diagram shown, analyze the priority groups and select the appropriate option.
**Note:** This type of exercise is common in organic chemistry courses and helps students practice the application of theoretical rules to molecular structures.
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