it
Midterm Exam 3
CHEM 2100
April 1%, 2026
Total Points: 100
Please carefully read these instructions.
« DPlease fill out your last name, first name, and student number on the student answer
sheet,
* There are a total of 22 questions. You need to answer any 20 to get full credit,
and answering all of them gives you extra credit.
* You can write on the question set; however, it will not be graded.
* The periodic table and pKa table have been included at the end.
* Calculators and cell phones are not allowed.
* There is ZERO TOLERANCE FOR CHEATING.
, i
Question Type: Multiple Choice
L. What is the relationship between the following two compounds?
A) constitutional isomers
B) stereoisomers
énot isomers; different compounds entirely
D) identical
E) none of the above
Arrange the haloalkanes in order of increasing reactivity in an Sn1 reaction with water
(least first).
Orems O Ofe O
i CH,
SH,
| It n v
A) LIV, LI
B) IV, T, IIL 1T
LIV, IL I
D) IILIL 1V,
E) I IV, I, III
1-bromo-4-(bromomethyl)cyclohexane reacts with potassium methylthiolate in
dimethylsulfoxide. Draw the chemical structure of the product that is formed at room
temperature?
w DMSO
Br
Br s s Br
s ? Br Br
I
| 1 I v
I
B) 1II
C) I
D) IV
E) None
Midterm Exam 3
CHEM 2100
April 1%, 2026
Total Points: 100
Please carefully read these instructions.
« DPlease fill out your last name, first name, and student number on the student answer
sheet,
* There are a total of 22 questions. You need to answer any 20 to get full credit,
and answering all of them gives you extra credit.
* You can write on the question set; however, it will not be graded.
* The periodic table and pKa table have been included at the end.
* Calculators and cell phones are not allowed.
* There is ZERO TOLERANCE FOR CHEATING.
, i
Question Type: Multiple Choice
L. What is the relationship between the following two compounds?
A) constitutional isomers
B) stereoisomers
énot isomers; different compounds entirely
D) identical
E) none of the above
Arrange the haloalkanes in order of increasing reactivity in an Sn1 reaction with water
(least first).
Orems O Ofe O
i CH,
SH,
| It n v
A) LIV, LI
B) IV, T, IIL 1T
LIV, IL I
D) IILIL 1V,
E) I IV, I, III
1-bromo-4-(bromomethyl)cyclohexane reacts with potassium methylthiolate in
dimethylsulfoxide. Draw the chemical structure of the product that is formed at room
temperature?
w DMSO
Br
Br s s Br
s ? Br Br
I
| 1 I v
I
B) 1II
C) I
D) IV
E) None
