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Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions

Use marked Edexcel IAL Chemistry questions to assign E or Z by priority, choose correct IUPAC names and draw named geometric isomers.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Assign E or Z by comparing the highest-priority group on each carbon of the C=C bond.
  • Choose correct IUPAC names and draw named E/Z geometric isomers.
  • Explain when E–Z naming is needed because cis–trans naming cannot describe the structure.

Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions question 1

[Maximum number: 1]

Geometric isomerism is shown by 2-chlorobut-2-ene.

What is the skeletal formula of E-2-chlorobut-2-ene?

A
Figure for Question Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions question 1 — Edexcel A-Level Chemistry AS — Option A
B
Figure for Question Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions question 1 — Edexcel A-Level Chemistry AS — Option B
C
Figure for Question Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions question 1 — Edexcel A-Level Chemistry AS — Option C
D
Figure for Question Edexcel A-Level Chemistry AS 5.3 The E Z Naming System for Geometric Isomers and Why It Is Necessary to Use This When the Cis and Trans Naming System Questions question 1 — Edexcel A-Level Chemistry AS — Option D
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