03132009 - detailed Exam Information sheet will be posted...

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CH 310M/318M – MWF 9:00 – Lecture 23 – F 3/13/2009 Last Time : Acid-base equilibria pK a and relative acid (base) strengths Structural factors that influence acid strengths Reading Assignment : Sections 6.1-6.3 (we will begin Ch. 6 on M 3/23, but no Ch. 6 material will be included on Exam #2) Textbook Problems : 4.32-4.35, 4.37, 4.46, 5.1-5.20, 5.23, 5.24 (last textbook problems relevant for Exam #2) Graded Homework : HW#11 deadline = 3:00 p.m. on Mon 3/23 (last graded HW due before Midterm Exam #2) Today : Structural factors that influence acid strength (continued…) Lewis acids and bases Structure, nomenclature, and stereochemistry of alkenes (Chapter 5; end Midterm Exam #2 coverage) Midterm Exam #2 is scheduled for Thursday, 3/26, from 7:00-9:00 p.m. Exam coverage will include all assigned Chapter 5 material, even though we may spend part of the lecture on M 3/23 finishing this discussion!!! The
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Unformatted text preview: detailed Exam Information sheet will be posted this weekend A new online handout (Unsaturation Number) has been posted on Blackboard. Nomenclature of Alkenes Based on the same rules we used for naming alkanes, with some adjustments 1) The parent chain is the longest continuous chain that contains the most double bonds. THIS MAY NOT BE THE SAME AS THE LONGEST CONTINUOUS CHAIN THAT CONTAINS THE MOST C ATOMS!!! 2) Number the parent chain to give the first double bond encountered the lowest number possible. Position(s) of double bond(s) precedes root in name. 3) As usual, indicate positions of substituents with numbers 4) ane suffix changes to ene suffix. If more than one double bond is present in the parent chain, use a modifer such as di, tri, tetra, etc. to indicate the total number of double bonds in the parent chain....
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03132009 - detailed Exam Information sheet will be posted...

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