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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Definitions:

Ultraviolet Waves

Electromagnetic waves with wavelengths shorter than visible light, harmful to skin and eyes but essential for Vitamin D synthesis in humans.

Organic Compounds

Chemical compounds primarily made of carbon atoms bonded with other elements such as hydrogen, oxygen, and nitrogen, found in all living organisms.

Hydrocarbons

Organic compounds consisting entirely of hydrogen and carbon, found in fossil fuels and as a major component of petroleum and natural gas.

Low-Quality Energy

Energy that is dispersed and difficult to gather for useful work, such as heat energy at a low temperature.