Is it true that a vinyl carbon is the one involved in a double bond but previously was part of a triple bond?
Understand the Problem
The question is asking about the nature of vinyl carbon in relation to double bonds and its previous involvement in triple bonds. It seeks to clarify if a carbon atom that is part of a vinyl group (–CH=CH2) can originate from a carbon that was previously in a triple bond.
Answer
Yes, a vinyl carbon can be part of a double bond previously in a triple bond.
Yes, a vinyl carbon is typically involved in a double bond and was previously part of a triple bond. When a triple bond (alkyne) undergoes a conversion to a double bond (alkene), the resulting carbon-carbon double bond includes vinyl carbons.
Answer for screen readers
Yes, a vinyl carbon is typically involved in a double bond and was previously part of a triple bond. When a triple bond (alkyne) undergoes a conversion to a double bond (alkene), the resulting carbon-carbon double bond includes vinyl carbons.
More Information
Vinyl carbons are commonly found in alkenes, where they are directly bonded to each other in a carbon-carbon double bond. They can derive from alkynes when a triple bond is reduced.
Tips
A common mistake is confusing vinylic and allylic carbons. Vinylic carbons are directly part of a double bond, unlike allylic carbons which are adjacent to a double bond.
Sources
- Triple Bond in Alkynes - Structure Of Alkynes & Uses of ... - BYJU'S - byjus.com
- 4.3: Double and Triple Bonds - Chemistry LibreTexts - chem.libretexts.org
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