11.5. Alkenes
A subsection of Chemistry, 5070, through 11. Organic chemistry
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Alkenes are a homologous series of unsaturated hydrocarbons. Name the alkene which has only three carbon atoms in its molecule. Draw the structure of an unbranched and of a branched alkene. Show all of the atoms and all of the bonds in each structure. unbranched alkene branched alkene Describe a chemical test that distinguishes an alkene from an alkane. chemical test result with alkene result with alkane Alkenes are manufactured by the cracking of long chain hydrocarbons. The equation for the cracking of C14H30 is shown. C14H30 2X + C8H18 Give two reasons why the cracking of long chain hydrocarbons is important. Compound X contains 85.7% carbon by mass and 14.3% hydrogen by mass. Calculate, using the percentage composition data, the empirical formula of X. Show your working. State the molecular formula of X. empirical formula molecular formula
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2022
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