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Midterm

UCI MATH 2A 2A-Syllabus-17-18Exam


Department
Mathematics
Course Code
MATH 2A
Professor
All
Study Guide
Midterm

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Final Exam Ian R. Gould
Person on your LEFT (or Empty or Aisle)
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
CHEM 233, Fall 2017
H/H ~1.0
Eclipsing
H/Me ~1.4
Me/Me ~2.6
Me/Me ~0.9
Et/Me ~0.95
i-Pr/Me ~1.1
t-Bu/Me ~2.7
Gauche
Et/Et ~3.1
Interaction Energies, kcal/mol
Person on your RIGHT (or Empty or Aisle)
CNR2
RC CR
R2CCR2
Aromatic
C
ROH
O
CX
RNH2
ROH
020406080100120140160180200220
–H2CX
H2CNR2
–OCH2
01234567891011
CCH
CH
O
C
ROH
OAromatic Ar H Alkyl
mainly 8 - 6.5 CCH2
CCH3
O
3° > 2° > 1°
Alkyl
–OCH2
C
O
(δ, ppm)
variable and condition dependent,
ca. 2 - 6 δ
RCN
OHCN
C
N
C
C
H
C O
N H
CH
CN
O
HC
O
C
H
CCH
COR
O
N H
CH
C
O
OH
C O H
O
CNR2
O
3000–
3100
2850–2960
3300
broad ~3300
broad with spikes ~3300
2200
broad ~3000 1710
2200
1650
2720–2820
2 peaks
1735
1600–1660
1680
range of values
broad peak
small range usually
strong
1600
Infrared Correlation Chart
NMR Correlation Charts
3000 2000
2500
3500 1500
(cm-1)
!PRINT YOUR NAME ON EACH PAGE!
• READ THE DIRECTIONS CAREFULLY!
• USE BLANK PAGES AS SCRATCH PAPER
work on blank pages will not be graded...
3° > 2° > 1°
The room where most students will take the test for your
class, i.e. LS A-191 for onground and PS H-152 for hybrid)
COMPLETE THIS SECTION : Up to TWO POINTS will be removed for incorrect/missing information!
**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
PRINTED FIRST NAME PRINTED LAST NAME
Class you are REGISTERED FOR (onground or hybrid)
• WRITE CLEARLY!
• MOLECULAR MODELS ARE ALLOWED
• DO NOT USE RED INK
• DON'T CHEAT, USE COMMON SENSE!

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FINAL EXAM Ian R. Gould
CHEM 233, Fall 2017
Points by question
Total (incl Extra)________/175+5
Extra Credit_____/5
Points Removed for cover errors ____/2
PRINTED
FIRST NAME
PRINTED
LAST NAME
ASU ID or
Posting ID
YOU MUST COMPLETE THIS PAGE WITH YOUR NAME
(EVEN THOUGH YOU ALREADY DID THIS ON THE COVER PAGE)
AND ALSO GIVE YOUR ASU OR POSTING ID NUMBER
WE NEED THIS NUMBER BECAUSE YOU WOULDN'T BELIEVE THE NUMBER OF
STUDENTS WHOSE NAMES WE CAN'T READ!
**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**

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CHEMISTRY 233, Fall 2017 FINAL EXAM - 2 - NAME
Question 1 (14 pts.) Give the IUPAC name for the following. Specify stereochemistry
as appropriate.
Ph
Cl
Question 3 (28 pts) Give a curved arrow mechanism for the following reaction. Label the Lewis
and Bronsted acid/base for each intermolecular step. GIVE THE NUMBER OF SETS OF
INTERMEDIATES AND THE NUMBER OF TRANSITION STATES for your mechanism.
HBr Br
# of sets of intermediates ____________
# of transition states ____________
Question 12 (20 pts.) For the following two structures, assign absolute configuration
(R or S) to all chiral (asymmetric) centers, state whether the two structures are a pair
of enantiomers, a pair of diastereomers or the same thing drawn two different ways,
and identify any meso compounds.
CO2H
HO2C
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