Using ¹H NMR Spectroscopy,how Can You Tell the Difference Between

question 4

Multiple Choice

Using ¹H NMR spectroscopy,how can you tell the difference between an aldehyde and a ketone?

• A)An aldehyde has a C-H stretch (one or two)between 2700-2830 cm^-1.
• B)An aldehyde has a proton signal between 9-10 ppm.
• C)A ketone has signals around 2-3 ppm.
• D)A ketone has a signal around 200 ppm.

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