CHEM_354_Exam_3_Spring_2003

CHEM_354_Exam_3_Spring_2003 - Multiple Choice Circle the...

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Multiple Choice: Circle the correct answer. 3 points each 1) The proton NMR of an unknown compound contains a triplet at 9.8 ppm. Which of the following could be this unknown? a) (CH 3 ) 3 CCHO b) CH 3 CH 2 CH 2 CO 2 H c) CH 3 CH 2 CH 2 CHO d) CH 3 COCH 2 Ph e) PhCHO 2) The double bond between carbon and oxygen is similar to an alkene carbon- carbon double bond, except that the carbonyl double bond is a) shorter and weaker b) shorter and stronger c) longer and weaker d) longer and stronger e) longer 3) The positively polarized carbon atom of a carbonyl group acts as a) an electrophile and a Lewis base b) a nucleophile and a Lewis base c) an electrophile and a Lewis acid d) a nucleophile and a Lewis acid e) both a Lewis acid and a Lewis base 4) Which of the following compounds will have the highest boiling point? a) 1-butanol b) 1-butanamine c) diethyl ether d) butanal e) acetone 5) Which compound will not form an imine with p -nitrobenzaldehyde? a)
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This note was uploaded on 02/09/2011 for the course CHEM 354 taught by Professor Wade during the Spring '11 term at Indiana.

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CHEM_354_Exam_3_Spring_2003 - Multiple Choice Circle the...

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