370
CHAPTER 16
16.16.
H
16.17.
a) The spectrum exhibits the characteristic pattern of an isopropyl group.
b) The spectrum exhibits the characteristic pattern of an isopropyl group as well as the
characteristic pattern of an ethyl group.
c) The spectrum exhibits the characteristic pattern of a tert-butyl group.
d) The spectrum does not exhibit the characteristic pattern of an ethyl group, an isopropyl
group, or a tert-butyl group.
16.18.
a)
H
a
J
ac
(17 Hz)
J
J
ab
ab
(11 Hz)
(11 Hz)
b)
H
b
J
ab
(11 Hz)
J
J
bc
bc
(1 Hz)
(1 Hz)