Transcript Document

What about this test??
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Begin at 8:00 a.m.
45 minutes long
Will have lecture afterwards at 8:50 a.m.
Should bring a pen (blue or black ink)
30 points: multiple choice questions
70 points: problem solving
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What’s on the test?
• Through section 3.5 on page 88
• Expect 1 or 2 questions based upon the
assigned homework
• Meant to be straightforward; if you don’t
understand a question, ask me.
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Chapter 1
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Hybridization of orbitals
Geometry / shape / bond angles
What are the orbitals at C in ethylene?
H
What is the shape?
C
C
What is the bond angle?
H
H
H
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Chapter 2
• Dipole moment
– What is direction of dipoles in bonds, in
molecules
• Formal charges. I will give a molecule and
ask the formal charge at an atom
• Resonance. Draw the resonance forms for
nitromethane? For methylbenzene, etc.,
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Chapter 2 Continued
• Strong and weak acids and bases
• Which is which; where does equilibrium
lie?
• CH3CO2H + OH- ⇌ H2O + CH3CO2-
• Which is more acidic acetone or methane?
Recall: smaller pKa means increased acidity
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Chapter 2
• Be able to recognize and draw skeletal
structures
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Chapter 3
• Functional Groups (29 points)
– Given a compound be able to identify the
functional group
– Given a functional group, be able to sketch a
compound
• Naming
– From the name, write the structure
– From the structure, write the name
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