Question: How many signals would you expect to see in the 13C NMR spectrum of each of the following compounds? (a) Propylbenzene (d) 1, 2, 4-Trimethylbenzene

How many signals would you expect to see in the 13C NMR spectrum of each of the following compounds?
(a) Propylbenzene
(d) 1, 2, 4-Trimethylbenzene
(b) Isopropylbenzene
(e) 1, 3, 5-Trimethylbenzene
(c) 1, 2, 3-Trimethylbenzene

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