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Chem 343 Exam I Information Spring 2020.pdf
Chem_343_Exam_I_Information_Spring_2020.pdf
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CHEM | 343 | Introductory Organic Chemistry | exam...
CHEM | 343 | Introductory Organic Chemistry | exam |Chem 343 Spring 2020 Exam I Information: Wednesday, February 12, 2020 Exam Location Dependent on Last Name Social Science 5206 Last Name A-L Social Science 5208 Last Name M-Z Time: 7:15 pm to 8:45 pm Please arrive 5-10 minutes early. Due to the enormity of Chem 343, we have a strict exam taking process. Please sit in every other seat. There can be someone direct
CHEM | 343 | Introductory Organic C...
CHEM | 343 | Introductory Organic Chemistry | exam |Chem 343 Spring 2020 Exam I Information: Wednesday, February 12, 2020 Exam Location Dependent on Last Name Social Science 5206 Last Name A-L Social Science 5208 Last Name M-Z Time: 7:15 pm to 8:45 pm Please arrive 5-10 minutes early. Due to the enormity of Chem 343, we have a strict exam taking process. Please sit in every other seat. There can be someone direct
Page 1
Chem 343 Spring 2020 Exam I Information:
Wednesday, February 12, 2020
Exam Location Dependent on Last Name
Social Science 5206 Last Name A-L
Social Science 5208 Last Name M-Z
Time: 7:15 pm to 8:45 pm
Please arrive 5-10 minutes early.
Due to the enormity of Chem 343, we have a strict exam taking process.
Please sit in every other seat.
There can be someone directly in front of you, but
not diagonally in front of you.
OK
NOT OK
You can use model kits.
A periodic table and a pKa table will be provided.
You
cannot use cheat sheets, cell phones, notes, textbooks, or a magic 8 ball during
the exam.
You also cannot use anyone else's paper.
Please be as quiet as
possible when starting the exam.
When it is time for exams to be turned in, stop
writing.
The TAs will announce at 8:45 “Finish Up.”
At 8:46, the TAs will say
“Time.”
Anyone still writing at this point, even if it is just finishing up one
question, will be docked 5 points.
Anyone writing before the TAs say begin will
also be docked 5 points.
It is very Draconian, but it is the fairest way to handle
the situation.
A pKa table will be provided on this exam.
It will not be provided on subsequent
exams.
Watch out for these mistakes:
Here is a list of simple mistakes that students constantly make:
Carbons with five bonds.
(This will be severely punished).
Nitrogen and oxygen with more than 8 electrons or less than 8 electrons.
A structure that has a positively charged carbon and a negatively charged
carbon.
Writing in too many hydrogens.
Nonlinear sp hybridized atom
Wedges and dashes on chair conformations
Wedges and dashes on alkenes
Page 2
Hydrogens attached to non carbons that are not drawn in
If you draw the C, you must draw any H’s attached to it,
UNFAIR GAME
The test will NOT cover names of bicyclic systems.
You may need to draw a
bicycle (flat structure), but you will not need to name it or draw it based on its
name.
I will not ask any oxygen hybridization questions.
You do not need to know specific numbers, only trends.
A three member ring is
less stable that a four member ring, etc…
You will not need to draw chair
conformation for a bicyclic system.
Enantiomers will not be on this exam.
FAIR GAME
Lewis structures, simple names, Newman projections, resonance structures,
identification of isomers/diastereomers, hybridization on nitrogen and carbon,
drawing compounds based on a formula, identifying the number of types of
carbon, and drawing conformations of linear alkanes and cyclohexanes.
(Though you will not need to draw a chair on the exam, you will need to draw
the substituents on a chair).
You may need to label an alkene as either E or Z or (neither E nor Z). You should
be able to identify the direction and extent of the equillibria of a Bronsted acid
base reaction (a pKa table will be provided).
Does it favor products or reactants?
Will there even be a reverse reaction?
You will need to redraw a molecule in a
different conformation.
You will need to be able to draw the bonding or
antibonding orbital of a specified bond.
You will need to identify the symmetry
of a molecule.
You will need to interpret a
13
C NMR ie: sp
3
C < 100 ppm, sp
2
C > 100 ppm.
Functional Groups to Know and Name:
aldehyde, ketone, ester, carboxylic acid,
amine, alkyne, alkyl halides, alcohol, alkene, ether, benzene,
Functional Groups to Know and Not Name:
amide, enamine, enol, imine, and
nitrile.
You do not need to know common names such as acetone or acetic acid yet.
But you do need to know the special alkyl and benzene containing groups:
isopropyl, isobutyl,
sec
-butyl,
tert
-butyl, neopentyl, phenyl, and benzyl.
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