2612 Sample Final LabExam - Organic Chemistry 2612 Final...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Organic Chemistry 2612 Name_________________________ Final Lab Exam - sample Encircle your lab section: MULTIPLE CHOICE. (36 pt). Black in the letter corresponding to the best answer for questions 1-13 on the answer sheet provided. 1. Which of the following compounds serves as the best nmr solvent for most organic compounds? a) CHCl 3 b) CH 3 COCH 3 (acetone) c) CDCl 3 d) D 2 O 2. Based on the reaction conditions you utilized, which of the following processes seemed to be the least favorable (required the most energy to run)? a) S N 1 prep of 2-chloro-2-methylbutane b) E1 elimination of cyclohexanol to cyclohexene c) Solvolysis of 2-chloro-2-methylbutane d) Addition of Br 2 trans-cinnamic acid 3. The silver nitrate test, R-X + AgNO3 AgX↓ + R + NO 3 - , works best for 3 o halides. It likely involves which of the following reaction pathways? a) S N 1 b) S N 2 c) addition d) elimination (E 1 ) 4. Which of the following compounds 1-4 gives an infrared spectrum with peaks at 3311 cm-1 (strong peak) and 2120 cm-1 (medium peak)? 5. Which of the following compounds gives a proton NMR spectrum consisting of only a singlet? a) 1,1-dibromopropane b) 2-bromopropane c) 1,3-dibromopropane d) 2,2-dibrompropane 6. Which of the following combinations of peaks appears in the 1H NMR spectrum of diisopropyl ether, (CH 3 ) 2 CHOCH(CH 3 ) 2 ? a) a triplet and a doublet b) a doublet and a quartet c) two singlets d) a septet and a doublet 7. Which statement concerning the use of TMS as a reference for NMR chemical shifts is false ?
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/05/2011 for the course CHEM 2612 taught by Professor Kurz during the Fall '09 term at The University of Texas at San Antonio- San Antonio.

Page1 / 5

2612 Sample Final LabExam - Organic Chemistry 2612 Final...

This preview shows document pages 1 - 2. Sign up to view the full document.

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