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Chapter: 11th Chemistry : UNIT 13 : Hydrocarbons

Physical properities of alkenes

The first three members (Ethene, Propene and Butene) are gases, next fourteen members are liquids and the higher alkenes are waxy solids.

Physical properities of alkenes:

 

The first three members (Ethene, Propene and Butene) are gases, next fourteen members are liquids and the higher alkenes are waxy solids. They are all colourless and odourless except ethene which has a sweet smell.

1. The melting and boiling point of alkenes increases along the homologous series. Like alkanes, straight chain alkenes have high boiling point compared to its isomeric branched alkenes.

2. Alkenes are slightly soluble in water but readily in organic solvents.

 


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11th Chemistry : UNIT 13 : Hydrocarbons


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