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15. Analytical Techniques:IR, NMR, Mass Spect - Part 2 of 4
15. Analytical Techniques:IR, NMR, Mass Spect / IR Spect:Extra Practice / Problem 5

When placed correctly, substituents can transmit electronic information through the benzene ring. This concept can be discovered and applied using infrared spectroscopy. Explain the carbonyl stretching frequencies for 4-chloroacetophenone and 4-fluoroacetophenone.



Structures of 4-fluoroacetophenone and 4-chloroacetophenone with carbonyl stretching frequencies labeled.

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