問題詳情
7. Based on the low-resolution proton NMR spectrum of a particular compound shown at the right, which ofthe following is(are) true? (2 pts)
I. There are at least three different types of protons in this compound.
Il. There are more protons of the type cotresponding to peak 3than the type corresponding to peak 1.III. Protons of the type corresponding to peak 2 are more
shielded than those corresponding to peak l.
(A) I only
(B) II only
(C) III only
(D) I and II only
(E) I, II, and III.