Exam 4 Review

Exam 4 Review - Guide for Exam 4 Be able to identify the...

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Guide for Exam 4 Be able to identify the type of hybrid orbitals (hybridization) for atoms in molecules and ions Know the relationship between hybridization and molecular geometry Understand why carbon has such structural diversity Know the definition of a structural isomer (same elemental composition, but atoms are attached in different ways) o Example: ethanol (CH 3 CH 2 OH) and dimethyl ether (CH 3 OCH 3 ) Know the definition of stereoisomers (same formula with different orientations in space) o Understand that C-C single bonds are connected by sigma bonds and have free rotation o Be able to identify geometric isomers (C=C double bond; cis vs trans) o Be able to identify optical isomers (chiral centers) Hydrocarbons o Know the following alkanes/alkyl groups: Methane (methyl) 1 carbon Ethane (ethyl) 2 carbons Propane (propyl) 3 carbons Butane (butyl) 4 carbons Pentane (pentyl) 5 carbons Hexane (hexyl) 6 carbons Heptane 7 carbons Octane 8 carbons o Be able to name alkanes Be sure to identify longest chain o Be able to identify chiral carbon atoms (has 4 different species bound) o Understand that hydrocarbons are not very reactive (must break sigma bond) o Know that we use hydrocarbons (methane, propane, octane, …) as fuel Cycloalkanes o Can have closed ring systems of alkanes
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This note was uploaded on 08/10/2010 for the course CHEM 1112 taught by Professor B during the Spring '10 term at Texas A&M.

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Exam 4 Review - Guide for Exam 4 Be able to identify the...

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