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Encyclopedia > Chloroalkane

Chloroalkanes are organic molecules, specifically they are halogenoalkanes.


Chloroalkanes' structure contains an alkane (carbon chain back, with hydrogen attached) and chlorine.


Example

An example is chloroethane wherein a chlorine atom is attached to a ethane molecule:

 H H | | H - C - C - Cl | | H H

Other examples of chloroalkanes are the series: CH3Cl (chloromethane or methyl chloride), CH2Cl2 (dichloromethane or methylene chloride), CHCl3 (trichloromethane or chloroform), and CCl4 (tetrachloromethane or carbon tetrachloride).


  Results from FactBites:
 
Lucas' reagent - Wikipedia, the free encyclopedia (352 words)
The speed of this reaction is proportional to the energy required to form the carbocation, so Tertiary, benzylic, and allylic carbocations react quickly, while smaller, less substituted, alcohols react more slowly.
The cloudiness observed is caused by the carbocation immediately reacting with the chloride ion creating an insoluble chloroalkane.
Hence, the time taken for turbidity to appear is a measure of the reactivity of the class of alcohol with Lucas reagent, and this is used to differentiate between the three classes of alcohols:
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