14D_f10_e01

14D_f10_e01 - Chemistry 14D Fall 2010 Exam 1 Page 1 OK to...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 14D Fall 2010 Exam 1 Page 1 Page 1 score = OK to use 'Ph' anywhere on this exam where appropriate. 1. (16) Circle the indicated structure in each set. If there are two or more possible answers, circle all possible answers. (a) Most stable carbocation: OCH 3 OCH 3 (b) Poorest nucleophile: CF 3 CH 2 O - CH 3 CH 2 O - H 3 C O O F 3 C O O (c) Molecule with the best leaving group: H 3 CO S O O CH 3 H 3 CO S O O CF 3 H 3 CO S O O H 3 CO S O O CF 3 (d) Most polar solvent: CH 3 OH CH 3 CH 2 OH CH 3 CH 2 CH 2 OH (CH 3 ) 3 COH (e) Fastest in an S N 2 reaction with Na + - SCH 3 in acetone: Br Br Br I (f) Most stable alkene: CH 3 Ph CH 3 CH 3 Ph CH 3 CH 3 Ph CH 3 CH 3 Ph CH 3 (g) Molecule whose E2 reaction is slowest: Ph I Ph I Ph I Ph I All rates about equal (h) The molecule whose carbon–leaving group bond ionization has the lowest Δ G : Br H H 3 C O H CH 3 CH 2 S O O CF 3 Cl I CH 3 CH 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chemistry 14D Fall 2010 Exam 1 Page 2 Page 2 score = 2. (3) Circle all the words that apply to the alkene shown: E Z Cis Trans Terminal alkene Internal alkene Monosubstituted Disubstituted Trisubstituted Tetrasubstituted I Br 3. (6) Write concise yet precise definitions. Reaction mechanism
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/12/2012 for the course CHEM 14D taught by Professor Hardinger during the Winter '08 term at UCLA.

Page1 / 5

14D_f10_e01 - Chemistry 14D Fall 2010 Exam 1 Page 1 OK to...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online