In IR spectroscopy, which functional group is characterized by a strong absorpti

Practice Questions

Q1
In IR spectroscopy, which functional group is characterized by a strong absorption around 1700 cm-1?
  1. Alcohols
  2. Aldehydes
  3. Carboxylic acids
  4. Ketones

Questions & Step-by-Step Solutions

In IR spectroscopy, which functional group is characterized by a strong absorption around 1700 cm-1?
  • Step 1: Understand what IR spectroscopy is. It is a technique used to identify functional groups in molecules based on how they absorb infrared light.
  • Step 2: Know that different functional groups absorb light at specific wavelengths.
  • Step 3: Recognize that the carbonyl group (C=O) is a common functional group in organic chemistry.
  • Step 4: Learn that the carbonyl group typically absorbs infrared light strongly around 1700 cm-1.
  • Step 5: Identify that ketones, which contain a carbonyl group, are characterized by this strong absorption around 1700 cm-1.
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