Exam 1 answers - Orgo II

Exam 1 answers - Orgo II - CHEM 262 Organic Chemistry...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 262 Organic Chemistry II (Spring 2008) Instructor: Professor Wei You Exam 1 February 4, 2008 This is a closed book exam. You may not have anything on your desk except for pens, pencils and the exam. Don’t start until you are told to do so. This exam is governed by the UNC Honor Code. All answers should be written on the test paper. The back sides of pages may be utilized. Exam Duration: The test is designed to be taken in 75 minutes. Maximum score: 100 points Name: ___________________________ PID: ____________________________ Seat No.:_________________________ 1
Background image of page 1

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

View Full Document Right Arrow Icon
1. Multiple Choices (2 pts each, total 40 pts) (1). What is the IUPAC name of the following compound? O a. 4,4-diethyl-3-buten-2-one b. 4-ethyl-3-hexen-2-one c. ( Z )-4-ethyl-3-hexen-2-one d. 3-ethyl-4-hexen-5-one ANS: b (2). What is the correct assignment of the names of the following aldehydes and ketones? 12 H 3 C O H HH O H 3 C O CH 3 3 a. 1 = acetone; 2 = acetaldehyde; 3 = formaldehyde b. 1 = acetaldehyde; 2 = acetophenone; 3 = benzophenone c. 1 = formaldehyde; 2 = acetaldehyde; 3 = acetone d. 1 = acetaldehyde; 2 = acetone; 3 = acetophenone ANS: c (3). What is the major organic product obtained from the following reaction? H O 1. CH 3 CH 2 CH(CH 3 )MgBr Et 2 O 2. H 3 O + a. 2,3-dimethyl-3-heptanol b. 2,4-dimethyl-4-heptanol c. 2,5-dimethyl-4-heptanol d. 2,5-dimethyl-3-heptanol ANS: c (4). What is the major organic product obtained from the following reaction? HCN 3 4 O H O H O CN OH CN CN CN a. 1 b. 2 c. 3 d. 4 ANS: b 2
Background image of page 2
(5). What is the major organic product obtained from the following reaction?
Background image of page 3

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

View Full Document Right Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 14

Exam 1 answers - Orgo II - CHEM 262 Organic Chemistry...

This preview shows document pages 1 - 4. Sign up to view the full document.

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