assignment intro-4

assignment intro-4 - Assignment Intro-4 Note: These...

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Note: These problems were taken – in some cases with modification – from Chap 1 of Organic Chemistry , 2 nd ed, by J.G. Smith 1. Rank the following bonds in order of increasing bond length C C H C C H H H CH 2 CH 3 a b c 2. In each of the following, say which of the indicated bonds is longer. OH NH 2 Cl F OH O A. B. C. 3. Answer the following questions about the molecule given below Note: C,C bonds are labeled, respectively, a – f. Three C-H bonds are labeled, respectively, 1, 2, and 3. H H H H a b c d e f 1 2 3 (i) Which is the shortest C,C bond? (ii) Which is the weakest C,C bond? (iii) Which is the longest C-H bond? (iv) Which is the strongest C-H bond (v) Explain why C-C bonds “a” and “b” are different length. 4. With respect to compound A (below), indicate whether each species is an isomer, resonance structure, or neither. O : : : A. O : : O : : .. O CH 2 : : O : : a. b.
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This note was uploaded on 04/07/2009 for the course CHE 311 taught by Professor Drake during the Fall '08 term at American International.

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assignment intro-4 - Assignment Intro-4 Note: These...

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