Some Distinctive Features of Cyclohexene

 

As all hydrocarbons are made up of carbon and hydrogen atoms, cyclohexene being one has a formula of C6H10 and is categorized as a colorless liquid with a pungent odor. It is used as an intermediate in a variety of industrial processes. However, cyclohexene is not very stable upon long-term storage with exposure to light and air because it forms peroxides.

Structure of Cyclohexene

Cyclohexene is a six-membered carbon ring with a double bond between two of the carbon atoms. When an organic compound has a carbon-carbon double bond, we call it an alkene. This is the functional group of the molecule. The term alludes to the compound's structure. 'Cyclo' is Greek meaning forming a ring, 'hex' means six, and 'ene' denotes alkene.

In any diagram of the cyclohexene molecule, you will notice that the carbons in the ring have two hydrogens bonded to them except the carbons of the double bond or alkene, which only have one hydrogen each. This is because carbon can have a maximum of four bonds. 

Since the carbons of the alkene are connected by a double bond along with being connected to the other carbons in the ring, they can only accommodate one hydrogen. And because cyclohexene is a clear, colorless liquid at room temperature with a sharp odor, it should always be handled in a fume hood. It floats on water because it is insoluble and has a lower density than water.

Differentiating between Cyclohexane and Cyclohexene

The distinction is in the bond; cyclohexene has one double bond, whereas cyclohexane has none. Pay particular attention to the vowels in chemical names because even a single letter difference can change the structure of the compound.

Cyclohexene Properties

Having a distinct, sweet odor and identified as colorless, cyclohexene CAS 110-83-8 exhibits properties similar to those of other alkenes. It has a precise mass of 82.078250319 and a molecular weight of 82.14. The flashpoint temperature is -6.5 degrees Celsius (20 degrees Fahrenheit).

Boiling and Melting Points 

Cyclohexene has a boiling point of 83 degrees Celsius at 760mm Hg (181 degrees Fahrenheit). The boiling point is affected by a variety of factors. All alkenes have the same boiling point as their corresponding alkane with the same number of carbon atoms. Because an alkene has two fewer electrons than an alkane, its boiling point is often a few degrees lower. This is because the alkene has a double bond, whereas the alkane only has single bonds. The boiling point of a substance is determined by its molecular mass. The higher the boiling point, the greater the intermolecular mass.

Cyclohexene has a melting point of -104 degrees Celsius (-154 degrees Fahrenheit). The melting point of alkenes is also closely connected to the corresponding alkane, although it relies on how the molecules are packaged. Compounds that are more compactly organized, such as in a ring, melt at a greater temperature than those structured in lengthy chains.

Conclusion

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