More Practice Problems Exam 1

More Practice Problems Exam 1 - b Two isomers that have two...

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1 Key More Practice Problems for Exam 1 1. (55 points) Name or draw the following molecules (you can use common names, e.g. isobutane, isobutyl, etc., or the IUPAC systematic method, e.g.,1-bromo-2- methylpropane). a. b. c. d. e. 3-cyclopropyl-3-ethyl-4-isopropyl-2,2-dimethyldecane
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2 f. 4- sec -butyl-4- t -butyl-1,1,2,3-tetramethylcyclohexane 2. (62 points) Assuming that the shaded circle is the parent chain or ring, name the following side chains. Again use common or IUPAC nomenclature. 3. (1 point) Draw the indicated structural isomers of C 4 H 6 O 2 that have no –OH (alcohol) or O–O (peroxide) bonds. Assume filled octets for all C’s and O’s and no formal charges. (Look inside the front cover of the book for the names of the functional groups.) a. An isomer that has two ketones. b. Two isomers that have two aldehydes
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Unformatted text preview: b. Two isomers that have two aldehydes c, An isomer with an aldehyde and a ketone. 3 d. Two isomers that have expoxides (3-atom ring with 2 carbons and one oxygen) e. An isomer with an ester and a double bond. f. An isomer with an ether, double bond and aldehyde. g. An isomer with an epoxide and a ketone. h. An isomer with an epoxide and an aldehyde. i. An isomer with a cyclopropane and an ester. 4. (50 points) a. Identify and rank the 3 most acidic protons on the following molecule. O O O 4 b. Write out the resonance forms for any of the anions made from deprotonation of this compound. You need not draw out the whole thing, just the part involved in the resonance forms. c. Determine the empirical formula and the number of degrees of unsaturation. d. How many π-electrons?...
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