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Alkanes

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The general formula for alkanes is as follows:

C_nH_2n+2   (where "n" is a constant)

The first ten members of the homologous series of the alkanes are:

CH₄     (Methane)
C₂H₆     (Ethane)
C₃H₈     (Propane)
C₄H₁₀     (Butane)
C₅H₁₂     (Pentane)
C₆H₁₄     (Hexane)
C₇H₁₆     (Heptane)
C₈H₁₈     (Octane)
C₉H₂₀     (Nonane)
C₁₀H₂₂     (Decane)

Alkanes consist of strong covalent bonds therefore they are, on the whole, quite un-reactive. They do not react with acids, alkalis, and oxidising agents. Their most important reaction is that of combustion.

The main chemical reactions that alkanes undergo are:

• Combustion
• Substitution with halogens
• Catalytic Cracking

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by: Guest
Total views: 873
Word Count: 192
Date: Thu, 9 Aug 2007 Time: 12:00 AM
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