chem 110 lecture 2 - Chemistry 110 Bettelheim, Brown,...

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Chemistry 110 Bettelheim, Brown, Campbell & Farrell Eighth Edition Introduction to General, Organic and Biochemistry Chapter 11 Alkanes & Cycloalkanes
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Constitutional Isomerism in Alkanes ¾ Constitutional or Structural isomers are compounds that have the same molecular formulas, but different structural formulas. Example the hexanes, C 6 H 14 . CH 3 CH 2 CH 2 CH 2 CH 2 CH 3 CCCCCC CCCCC C C CCCC C C C C
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IUPAC Systematic Naming of Alkanes Longest continuous carbon chain = Parent Alkane ( PA ) Locate any chain branching off PA, name as alkyl group. Assign smallest set of numbers to branch points counting from one end of PA . For multiple branching – Locate identical alkyl groups, indicate their number using bi, di (2); tri (3); tetra (4) … Locate different alkyl groups. Construct the name by placing the alkyl groups in alphabetical order (ignoring Greek prefixes, dimethyl = m) preceded by locator number separated by hyphens from words and commas from numbers.
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This note was uploaded on 04/22/2008 for the course CHEM 110 taught by Professor Adcock during the Spring '08 term at University of Tennessee.

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chem 110 lecture 2 - Chemistry 110 Bettelheim, Brown,...

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