1.4 alkenes
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Class notes
Lecture notes 1.4 alkenes (Chem)
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---8July 20242023/2024
- Alkenes are a class of hydrocarbons that contain at least one carbon-carbon double bond (C=C). Here are the key points about alkenes: 
 
Structure 
General Formula: The general formula for alkenes is 
C 
n 
H 
2 
n 
C 
n 
​	 
 H 
2n 
​	 
 , where 
n 
n is the number of carbon atoms. 
Double Bond: The presence of a carbon-carbon double bond defines alkenes. This double bond consists of one sigma (σ) bond and one pi (π) bond. 
Nomenclature 
Naming: Alkenes are named by identifying the lo...
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