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CHAPTER 3
SkillBuilder 3.12 Identifying Lewis Acids and Lewis Bases
H
IDENTIFY THE LEWIS ACID
O
AND THE LEWIS BASE
+
B
IN THE FOLLOWING REACTION:
H
H
Solutions
3.1.
H
O
O
O
OH
+
+
H
H
a)
Acid
Base
Conjugate
Conjugate
Base
Acid
H
H
O
O
O
O
b)
H
H
H
H
Base
Acid
Conjugate
Conjugate
Acid
Base
H
O
O
N
N
c)
H
Acid
Base
Conjugate
Conjugate
Base
Acid
O
O
H
O
O
O
OH
d)
H
H
Acid
Base
Conjugate
Conjugate
Base
Acid
3.2.
a) There is only one arrow, and it is going in the wrong direction. The tail has been
placed on the hydrogen atom, and this is incorrect. Curved arrows do not show the
motion of atoms, but the motion of electrons. The tail of this curved arrow should be on
the lone pair of the nitrogen atom, and the head of the curved arrow should be on the
proton. In addition, a second curved arrow is also required. It should look like this:
Cl
+
H Cl
N
N H