阿摩線上測驗
29. If a signal is observed in the 170 to 200 ppm range in a C-13 NMR spectrum, what is the most likely type of functional group associated with that carbon atom?
(A) carbonyl carbon
(B) allylic carbon
(C) aromatic carbon
(D) carbon/carbon triple bond
(E) carbon/carbon double bond
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統計： A(0), B(1), C(0), D(0), E(0) #3829728
統計： A(0), B(1), C(0), D(0), E(0) #3829728
