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Experiment #3 - Hydrocarbons

CCCCCCCCHHHHHHHHHHHHHHHHHHCCCCCCCCHHHHHH HHHCHHHCHHHHHHHHHCHHHCCCCCCCHHCHHHHHHHHH HHHHH octane - unbranched (straight-chain)4-ethyl-2-methyloctane - branchedethylcyclohexane - cyclicFigure 1 - Unbranched, branched, andcyclic #3 - HydrocarbonsIntroductionOrganic chemistry is the chemistry of thecompounds of carbon. Currently over twentymillion compounds have been reported in thechemical literature; about 90% of them areorganic, ie they contain carbon. The remainingcompounds are called inorganic and are formedfrom the other elements, of which there areabout 100. That carbon so dominatescompound formation is a result of the fact that itis almost unique in its ability to form longchains with other carbon atoms.

Typically, aromatic compounds will have indexes of refraction greater than 1.45, while other hydrocarbons will have smaller values. Experiment #3 Hydrocarbons Page 4 C 3H 8 + 5 O 2 3 CO ... light to be successful, and the reaction is a substitution, not an addition: a hydrogen is …

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