Infrared Spectroscopy Table Video Lessons

Concept

# Problem: For the following reaction, which of the following is consistent with a comparison of the IR spectra of the starting material vs. the product? a) Absorption at 2250 cm –1 should disappear, new absorption at 2600-2800 cm –1 and 1720 cm –1 should appear. b) Absorption at 2250 cm –1 should disappear and absorption around 3400 cm –1 should appear. c) Absorption at 3200-3400 cm –1 and 1720 cm –1 should appear. d) Absorption at 2250 cm –1 should disappear. e) None of these.

###### Problem Details

For the following reaction, which of the following is consistent with a comparison of the IR spectra of the starting material vs. the product?

a) Absorption at 2250 cm –1 should disappear, new absorption at 2600-2800 cm –1 and 1720 cm –1 should appear.

b) Absorption at 2250 cm –1 should disappear and absorption around 3400 cm –1 should appear.

c) Absorption at 3200-3400 cm –1 and 1720 cm –1 should appear.

d) Absorption at 2250 cm –1 should disappear.

e) None of these.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Infrared Spectroscopy Table concept. You can view video lessons to learn Infrared Spectroscopy Table. Or if you need more Infrared Spectroscopy Table practice, you can also practice Infrared Spectroscopy Table practice problems.

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Based on our data, we think this problem is relevant for Professor Chatterjee's class at HUNTER.