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CHEM 201 Q3
Summer 2015
Name: _________________________________________
Problem 1 (2 points): Match the letters with the pKa values. Not all pKa values are used
pKa
Letter
-2
4-5
9-10
16-18
25
35
45
Problem 2 (2 points): Use the acid base reaction below to complete the questions.
This molecule is the acid on the starting material side: _______
This molecule is the conjugate base of the compound you noted above: _______
Problem 3 (3 points): Draw the product of the reaction below. Then mark the box with an (X) that
corresponds to this type of acid base reaction.
Bronsted
Lewis
Problem 4 (3 points): Trifluoromethanesulfonic acid has a pKa of (-14) while methanesulfonic acid has a
pKa of (-2.6). Circle the compound that represents the stronger acid. Explain why this compound is
more acidic than the other structure.
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CHEM 201 Q3
Summer 2015
Problem 5 (6 points): Draw the conjugate base for each acid. Of the four structures you have drawn,
circle the strongest base.
Problem 6 (4 points): Draw the product(s) for each acid base reaction.
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