Question detail
What type of bond is primarily responsible for the absorption peak observed in the infrared spectrum of a carboxylic acid?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Organic analysis
Question
- A. H bond
- B. O-H bond
- C. C=O bond
- D. C bond
Answer
O-H bond
Explanation
The evidence shows that carboxylic acids exhibit a broad absorption peak due to O-H stretching vibrations. This implies that the O-H bond is primarily responsible for this absorption. Therefore, the conclusion is that the O-H bond is crucial in identifying carboxylic acids in infrared spectroscopy.
Common mistake
Misidentifying Functional Groups
Students often confuse the absorption peaks in infrared spectra, leading to incorrect identification of functional groups.
To fix this, students should carefully study the characteristic absorption ranges for different functional groups and practice interpreting spectra with reference materials.
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