Where Do the Carbonyl Signals Appear in the ¹³C NMR

question 25

Multiple Choice

Where do the carbonyl signals appear in the ¹³C NMR spectrum of carboxylic acid derivatives?

• A)1700 cm^-1
• B)180-160 ppm
• C)2)5-3.0 ppm
• D)100-80 ppm

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