Which of the following compounds gives a 1H NMR spectrum consisting of only a singlet and two signals in the 13C NMR?
a.
1,1-dibromopropane
b.
1,2-dibromopropane
c.
1,3-dibromopropane
d.
2,2-dibromopropane
Question 2
How many signals appear in the broadband-decoupled 13C NMR spectrum of 1,2-dibromobenzene?
a.
1
b.
2
c.
3
d.
4