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Grade: 11
        
Why ethene has no hyperconjugation structure please explain.................
10 months ago

Answers : (2)

Arun
23013 Points
							
Ethene is not a very complicated molecule. It contains two carbon atoms that are double bonded to each other, with each of these atoms also bonded to two Hydrogen atoms. This forms a total of three bonds to each carbon atom, giving them an \(sp^2\) hybridization
10 months ago
Rajdeep
231 Points
							
HELLO THERE!
 
First, let me tell you comething!
 
Alpha carbon: The carbon adjacent to the carbon directly attached with another carbon with a double bond is called as Alpha carbon.
 
Alpha hydrogen: The hydrogens attached to an alpha carbon is called as Alpha hydrogen.
 
Now, to show hyperconjugation, Alpha hydrogen must be present (hyperconjugation is also known as no-bond resonance). However, Ethene is the simplest Alkene, having only two carbons directly attached with a double bond. There is no adjacent carbon (alpha carbon) attached to these carbons and hence, no alpha hydrogen.
 
Thus, ethene doesn’t show hyperconjugation.
 
THANKS!
10 months ago
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