112 Exam 3 Sp'08 - BE ADVISED IF THERE WERE ANY ERRORS IN...

BE ADVISED: IF THERE WERE ANY ERRORS IN THIS DOCUMENT, THEY HAVE NOT
BEEN CORRECTED.
Name _________________________ Chemistry 112
Section ____________ EXAM III Total Points = 125
TA ___________________________ Monday, 8:30 PM
April 7, 2008
Directions:
1. Each student is responsible for following directions. Read this page carefully.
2. Write your name and other requested information on this page and on the separate answer
sheet.
3. CODE your name on the answer sheet using an ordinary (#2) pencil.
4. CODE your correct 10-digit identification number (PUID) on the answer sheet. THIS IS
VERY IMPORTANT!
5. CODE your lab section number on the answer sheet. Please use all four digits, 0101, 0102,
0201, etc. This is also very important!
6. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON
THE COMPUTER ANSWER SHEET!
7. This exam consists of 30 multiple-choice questions worth 4.17 points each. Choose the one
best or correct answer for each question and write it both on your exam paper and on the
computer answer sheet. The computer answer sheet is the only one that will be graded!
8. This exam consists of 8 pages plus a Periodic Table. Please check to be sure that you have
them all!
1 END OF EXAM
1) Please make sure that you have entered 30 answers on your scan sheet.
2) Make sure that you have entered your name, ID number, and lab section number (4 digits).
3) You MUST turn the scan sheet in to your TA before leaving the exam!

Chem 112 – Exam 3 – 04/07/08
_____ 1. Identify the oxidation state of C in H
2
CO
3
(a) +3
(b) +1
(c) +4
(d) None of the above
_____ 2. Identify the oxidation state of C in CO
2
_____