AS Chemistry - Naming Alkanes Notes

Some notes on how to name alkanes :)

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  • Created on: 15-04-11 13:36
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Naming Alkanes
Types of Formula:
Molecular formula (C4H10)
Structural formula (CH3CHCH3CH3 or CH3CH(CH3)CH3)
Displayed formula
Skeletal formula
CH3CH(CH3)CH(CH3)CH(CH3)CH2CH3
Cyclic Alkanes

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Cycloalkanes ­ general formula CnH2n (same as alkenes)
Naming Branched Cycloalkanes
1,2-dimethylcyclohexane
Alkanes
Found in crude oil ­ complex mixture of hydrocarbons ­ C+H.
Separated by fractional distillation ­ separed by boiling points into fractons. (a small mixture of hydrocarbons
with similar boiling points.
Explaining the trend in boiling points for alkanes
Why?:
1. Increase in van der waals forces.
2. Increase in number of electrons
3.…read more

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