CHEM 1120 test 3 - Spring 2005 Page 1
Circle the correct answer on the answer sheet.
R = 8.314 J mol
-1
K
-1
ln(2) = 0.693
1. Which of the following molecules has stereo (optical) isomers?
a. b.
c. d. e.
2. Which of the diagrams above (question 1) has a cis-trans isomer? (a.,b.,c.,d. or e.?)
3. What is the product for the following reaction?
CH
3
CH
2
OH + C
6
H
5
COOH
presence of sulfuric acid
> ?
a. an ether b. an amide c. an ester d. a Nylon® e. a Teflon®
4. What is the product for the following reaction?
CH
2
=CH
2
+ Br
2
! ?
a. b. c. d. e.
5. The rate constant for a reaction is 1.2 × 10
-2
s
-1
at room temperature (25EC). The activation
energy is 35.0 kJ mol
-1
. What is the reaction rate constant at 100EC?
a. 7.0 × 10
54
b. 2.1 × 10
-1
s
-1
c. 7.0 × 10
-4
d. 0.998 e. 1.002
