Multiple Choice
What is the correct assignment of the number of signals in the 13C NMR spectra of the following disubstituted benzene derivatives?
A) I = 3 signals; II = 3 signals; III = 2 signals
B) I = 3 signals; II = 4 signals; III = 2 signals
C) I = 6 signals; II = 6 signals; III = 6 signals
D) I = 3 signals; II = 4 signals; III = 3 signals
Correct Answer:

Verified
Correct Answer:
Verified
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