Curriculum
Fundamentals of Organic Chemistry
CONCEPT - 01 : General Introduction to Organic Chemistry
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ASSIGNMENTS : CONCEPT - 01
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CONCEPT - 02 : Structural Representation of Organic Compounds
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ASSIGNMENTS : CONCEPT - 02
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CONCEPT - 03 : Classification of Organic Compounds
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ASSIGNMENTS : CONCEPT - 03
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CONCEPT - 04 : Nomenclature of Organic Compounds
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ASSIGNMENTS : CONCEPT - 04
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CONCEPT - 05 : Homologous Series
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ASSIGNMENTS : CONCEPT - 05
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CONCEPT - 06 : Isomerism
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ASSIGNMENTS : CONCEPT - 06
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PRACTICE QUESTION SET
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TOPIC – 04 : Example of IUPAC Nomenclature
Example of IUPAC Nomenclature : Considering the following example :
• There exist 9 carbon atoms on the straight chain and the 5th carbon atom (from both ends of the chain) consists of a substituent group which in turn has 3 carbon atoms in the chain.
• Furthermore, there the first and second carbons of this substituent chain have an additional – CH₃ group attached to them.
• In the nomenclature of this compound, the 9 membered carbon chain is identified as the parent chain and is numbered.
• The substituent chain attached to positions of the parent chain is 3 members long with 2 methyl groups attached at position 1 and 2.
• Thus, the carbon chain substituent group on the parent chain can be called 1,2-dimethylpropane. The name for the substituent chain containing this compound would be 1,2-dimethylpropyl.
• Substituting this name on the parent chain, the IUPAC name of the compound in question is found to be : 5-(1,2-dimethylpropyl) nonane.
Lesson materials
