ochem 3rd test 2004

ochem 3rd test 2004 - CHEMISTRY 314-01 MIDTERM 3 Name The...

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Unformatted text preview: CHEMISTRY 314-01 MIDTERM # 3 March 11, 2004 Name ..................................................................................... The total number of points in this midterm is 100. The total exam time is 120 min (2 h). Good luck! 1. (6 pts) Mark as true ( T ) or false ( F ) the following statements. Do not explain! • Acetals decompose quickly in basic conditions; • Aldehydes are more reactive than ketones in nucleophilic addition reactions; • Acetals are formed only in the presence of acid catalyst; • The products of reaction of carbonyl compounds with hydroxylamine are called hydroxylimines; • β-dicarbonyl compounds are more acidic than monocarbonyl compounds; • The haloform reaction requires basic conditions; 2. Circle ALL that apply: A. (3 pts) The follwing reactions follow an addition – elimination mechanism: a. Formation of hemiacetals; b. Formation of cyanohydrins; c. Formation of hydrates; d. The Wittig reaction; B. (3 pts) Hemiacetals are: a. Decomposed to carbonyl compounds in acidic conditions; b. Decomposed to carbonyl compounds in basic conditions; c. Converted to acetals in acidic conditions; d. Converted to acetals in basic conditions;...
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This note was uploaded on 04/20/2008 for the course CHM 314 taught by Professor Benin during the Spring '08 term at University of Dayton.

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ochem 3rd test 2004 - CHEMISTRY 314-01 MIDTERM 3 Name The...

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