What is the Difference Between Allene and Cumulene?
🆚 Go to Comparative Table 🆚The key difference between allene and cumulene is the number of double bonds they contain. Allene contains two double bonds, while cumulene contains three double bonds. Both allene and cumulene are organic compounds classified as alkenes, which are hydrocarbons with double bonds between carbon atoms.
- Allene: Allene has three carbon atoms, with two double bonds between them. The general structure of allene is C=C=C, with each terminal carbon atom attached to two hydrogen atoms. The parent compound of allene is propadiene (H2C=C=CH2).
- Cumulene: Cumulene has four carbon atoms, with three double bonds between them. The simplest molecule in the cumulene class is butatriene (H2C=C=C=CH2). Cumulenes tend to exhibit rigid structures and linear geometries.
In summary, the main difference between allene and cumulene lies in the number of double bonds they contain, with allene having two and cumulene having three. Both compounds are alkenes with double bonds between carbon atoms, but they have distinct molecular structures and chemical properties.
Comparative Table: Allene vs Cumulene
Here is a table comparing the differences between allene and cumulene:
Property | Allene | Cumulene |
---|---|---|
Number of carbon atoms | 3 | 4 |
Number of double bonds | 2 | 3 |
General structure | C=C=C- | C=C=C=C |
Geometry | Linear | Linear |
Both allene and cumulene are organic compounds with double bonds between carbon atoms, classified as alkenes. The key difference between allene and cumulene is the number of double bonds: allene contains two double bonds, whereas cumulene contains three double bonds. Allene has three carbon atoms, while cumulene has four carbon atoms.
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