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CHEM 3104 Exam 1: Organic Chemistry Multiple Choice and Short Answer Questions, Exams of Organic Chemistry

Material Type: Exam; Class: Organic Chemistry 1 - Introduction; Subject: Chemistry; University: Oklahoma Baptist University; Term: Forever 1989;

Typology: Exams

2010/2011

Uploaded on 05/14/2011

bantosh
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CHEM
3104
Exam
1
Name:
This exam contains
100
points from
23
questions on 5 pages.
Circle
the
best
response
to
each
question
below.
1.
(3
points)
How
many
S'Q3
orbitals can
an
atom
contain?
§ 4
A.
1
B.
.2 C. 3 E. 5
2.
(3
points) Which
OTle
of
the
following compounds is
the
st
rongest base?
~
.
C H
3
B.
NH;
C.
OH-
F -
3.
(3
points) Which one of
the
following compounds contains a carbon-oxygen double
bond?
A.
CH3C(OCH3hCH3
B.
CH3CH(OH)CH3
C. CH3
CH=CHCH
2
0H
~
CH3COCH3
E. CH3
0CH
3
4.
(3
points)
'Wh
ich one of
the
following compounds contains an iso group?
A.
(CH3)2CHCH2CH3
B.
(C
H3)2NC
H2CH3
C. CH3CH2CII(CH3)CH2CH3
D.
CH3CH2CH2CH21
E. CH3CH2COCH3
5.
(3
points) Which Newman projection depicts two ethyl groups in a gauche arrangement?
H3CH 2 CC H2 CH H3 CH 2
CC
H3 H2CH 3
3 I H
H3
C
H
H
H
CH
3 H
CH
3 H CH 3
~~C"'
CH 3 CH 2 CH.\
CH
2 CH 3
CH 3 /
-
-
6.
(3
pOints) Which one of
the
following compounds has
the
greatest amount of
torsional
strain?
A.
cyclo
hept
ene
B.
cyclohexane
c.
cyclopentane 3
CYclOprOpa
ne E. cycle-
propene
Ie
Page 1 of 5
out
of
18
pf3
pf4
pf5

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Download CHEM 3104 Exam 1: Organic Chemistry Multiple Choice and Short Answer Questions and more Exams Organic Chemistry in PDF only on Docsity!

CHEM 3104 Exam 1 Name:

This exam contains 100 points from 23 questions on 5 pages.

Circle the best response to each question below.

  1. (3 points) How many S'Q3 orbitals can an atom contain?

A. 1 B.. 2 C. 3 § 4 E. 5

  1. (3 points) Which OTle of the following compounds is the st rongest base?

~ .C H 3 B. NH; C. OH- (§ F

  1. (3 points) Which one of the following compounds contains a carbon-oxygen double

bond?

A. CH3C(OCH3hCH

B. CH

CH(OH)CH

C. CH

CH=CHCH

0H

~ CH3COCH

E. CH

0CH

  1. (3 points) 'Wh ich one of the following compounds contains an iso group?

A. (CH3)2CHCH2CH

B. (CH3)2NC H2CH

C. CH3CH2CII(CH3)CH2CH

D. CH

CH

CH

CH

E. CH

CH

COCH

  1. (3 points) Which Newman projection depicts two ethyl groups in a gauche arrangement?

H 3

C H 2

CC H 2

C H H 3

CH 2

CC H 3

H 2

CH 3 3

I H H H3^ C

H

H (^) CH 3

H CH 3

H (^) CH

~~C"'^3

CH 3 CH^

(^2) CH.\

CH 2

CH CH (^3) 3

/

- 6. (3 pOints) Which one of the following compounds has^ - the greatest amount of torsional

strain?

A. cyclo hept ene B. cyclohexane (^) c. cyclopentane 3 CYclOprOpa ne E. cycle

propene

Ie

Page 1 of 5 (^) out of 18

CHEM 3104 Exam 1

  1. (3 points) Which one of the following alkenes does not exist as a pair of geometric

isomers?

AI. 2-methyl-2-hexene

B. 2-methyl-3-hexene

C. 3-methyl-2-hexene

G3- methy 1-3- hexene

E. 5-methyl-2-hexene

  1. (3 points) A reaction with a negative free energy change means that the reaction is

A. endergonic @exergonic C. fast D. slow

  1. (3 points) Which reaction of alkenes utilizes a catalyst?

A. halogenation fs'\ hydration C. hydroboration D. hydrohalogenation

E. oxymercuration D

  1. (3 points) '\Thich one of the following reactions occurs without an intermediate? ..........,

A. halogenation B. hydration V hydroboration D hydrohalogenation

E. oxymercuration

Give the correct IUPAC name for each compound below, including designations

for stereoisomers where appropriate. , ~

(~3 C (Ill. C.;L. :)

I

s,.

  1. (5 points)

~

o~

1}. (5 points).

('(0 ht, ~V\

. J 4-f

ruf

"

I

cy __ 1 00

- I

~

l-"o J 0

2-

out of 27 Page 2 of 5

CHEM 3104 Exam 1

Give the best answer to each question below. Explain your reasoning where

appropriate.

  1. (5 points) Draw the most stable chair conformer oftrans-1-isobutyl-3-methylcyclohexane.
    1. (5 points) Arrange the following compounds in order of increasing boiling point: 1

hexanol, diisopropyl ether, 3,3-dimet 1-2-butanol, dipropyl ether, 3-hexanol.

CHEM 3104

23. (10 points) Draw the mechanism of : he reaction between 3-methyl-l-butene and C

Give the rUPAC name of the product.

Exam 1

.

2

Page 5 of 5 out of 10