Organic Chemistry 354 Quiz - September 9, 1997
Dr. Sundin
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- 1. Define the following: Answer
- a. Bronsted-Lowry base
- b. Lewis base
- 2. Give the formula of each of the following: Answer
- a. Conjugate acid of NH3
- b. Conjugate base of NH3
- 3. HF = 3.2; HNO2 = 3.37; HCN = 9.2; HIO = 10.6
- Given the pKa data above,
encircle the stronger
acid and underline the weaker base in each of the
following:
- a.
HF + CN-1
F-1 + HCN
b. HIO + F-1
IO-1 +
HF Answer
4. Rewrite the left to right reaction of #3.a. and
show the acid base reaction using the curved
arrow notation.
Answer
5. a. Draw the Lewis structure of SO2.
Answer
b. Redraw the structure using a single line for each bond and omit the nonbonding electrons.
Indicate the direction of polarity of the polar bonds (if any) using a
arrow.
c. Indicate the direction of the dipole moment (if any) of the
molecule using an
arrow.
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