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Organic Chemistry  The study of all compounds containing carbon.  Carbon is the basis for life on Earth.  This unit will focus on hydrocarbon compounds.

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Presentation on theme: "Organic Chemistry  The study of all compounds containing carbon.  Carbon is the basis for life on Earth.  This unit will focus on hydrocarbon compounds."— Presentation transcript:

1 Organic Chemistry  The study of all compounds containing carbon.  Carbon is the basis for life on Earth.  This unit will focus on hydrocarbon compounds.  Compounds containing only hydrogen and carbon  The study of all compounds containing carbon.  Carbon is the basis for life on Earth.  This unit will focus on hydrocarbon compounds.  Compounds containing only hydrogen and carbon

2 Review  How many valence electrons does carbon have? How many bonds does carbon need?  How many valence electrons does hydrogen have? How many bonds does hydrogen need?  Shapes are predicted by VSEPR theory. Shapes of organic molecules will change as a result of single, double, or triple bonds.  Most likely shapes will be tetrahedral, trigonal planar or linear.  How many valence electrons does carbon have? How many bonds does carbon need?  How many valence electrons does hydrogen have? How many bonds does hydrogen need?  Shapes are predicted by VSEPR theory. Shapes of organic molecules will change as a result of single, double, or triple bonds.  Most likely shapes will be tetrahedral, trigonal planar or linear.

3 Alkanes  Hydrocarbons with only single covalent bonds  aka - saturated hydrocarbons  carbon-carbon bonds are very stable and form chains  Ethane - simplest alkane with a carbon-carbon bond - C 2 H 6  Hydrocarbons with only single covalent bonds  aka - saturated hydrocarbons  carbon-carbon bonds are very stable and form chains  Ethane - simplest alkane with a carbon-carbon bond - C 2 H 6

4 Continuous-chain alkanes  Contain any number of atoms in a straight chain.  Names will end in -ane  Names are given by the International Union of Pure and Applied Chemistry (IUPAC).  You need to memorize the 1st ten and their prefix meanings.  You will not be allowed to use your periodic table.  Contain any number of atoms in a straight chain.  Names will end in -ane  Names are given by the International Union of Pure and Applied Chemistry (IUPAC).  You need to memorize the 1st ten and their prefix meanings.  You will not be allowed to use your periodic table.

5 The 1st ten continuous chain alkanes  MethaneCH 4  EthaneC 2 H 6  PropaneC 3 H 8  ButaneC 4 H 10  PentaneC 5 H 12  HexaneC 6 H 14  HeptaneC 7 H 16  OctaneC 8 H 18  NonaneC 9 H 20  DecaneC 10 H 22  The General Formula is - C n H 2n+2  MethaneCH 4  EthaneC 2 H 6  PropaneC 3 H 8  ButaneC 4 H 10  PentaneC 5 H 12  HexaneC 6 H 14  HeptaneC 7 H 16  OctaneC 8 H 18  NonaneC 9 H 20  DecaneC 10 H 22  The General Formula is - C n H 2n+2

6 Formulas  molecularC 2 H 6 H  structural H - C - C - H H  condensedCH 3 -CH 2 -CH 3  skeletonC-C-C-C  Hydrogens are assumed C-C-C-C-O  You will need to be able to know where H’s are located even when not shown.  The end  molecularC 2 H 6 H  structural H - C - C - H H  condensedCH 3 -CH 2 -CH 3  skeletonC-C-C-C  Hydrogens are assumed C-C-C-C-O  You will need to be able to know where H’s are located even when not shown.  The end


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