chm2210sex4ans

chm2210sex4ans - KEY Organic Chemistry I Exam 4 Sample Exam...

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KEY Organic Chemistry I Exam 4 Sample Exam 4 - Items with * not on Spring 2007 exam (Not covered yet) I. Multiple Choice – Circle the letter of the best answer (2 points each) 1. 3-Methyl-2-butanol would be classified as __________________________. a. a primary alcohol b. a secondary alcohol c. a tertiary alcohol d. a vinyl alcohol e. an aryl alcohol 3. Which of the following terms best describes the reactive nature of a Grignard reagent? a. carbocation b. free radical c. electrophile d. nucleophile e. carbene 4. Which of the following agents can easily reduce ketones and double bonds? a. CrO 3 in H 2 SO 4 b. NaBH 4 c. NaOH d. LiAlH 4 e. hot MnO 4 - in acidic solution 5. Classify the reaction below as an oxidation, a reduction, or neither. cis -2-pentene 2-pentanol a. oxidation b. reduction c. One carbon get oxidized and one gets reduced. 6. The reaction of methane sulfonyl chloride with an alcohol to make a mesylate, is used to a. make the –OH a better leaving group. b. dehydrate the alcohol to make an alkene. c. oxidize the alcohol to make a ketone. d. reduce the alcohol to an alkane. e. confuse organic students.
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7. Which of the following is most similar to an alcohol? a. a thiol b. an ester c. an ether d. a ketone e. an amine *8. Which of the following would react with osmium tetroxide flowed by H 2 S to make a cis diol?
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chm2210sex4ans - KEY Organic Chemistry I Exam 4 Sample Exam...

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