Which of the compounds match the IR spectrum shown below? Answer choices are shown below the spectrum. 0.8 0.6 0.4 0.2 3000 A B с 2000 Wavenumber (cm-1) NIST Chemistry WebBook (http://webbook.nist.gov/chemistry) NH₂ D "NH₂ 1000 OH

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Chapter1: Chemical Foundations
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**Question**: Which of the compounds match the IR spectrum shown below? Answer choices are shown below the spectrum.

**IR Spectrum**:
- The IR spectrum presented has the Y-axis labeled "Transmittance" and the X-axis labeled "Wavenumber (cm^-1)."
- The spectrum shows significant peaks at various wavenumbers, indicating the presence of different functional groups within the molecule.
  
**Answer choices**:
- Compound A: Displays a benzene ring with an amino group (NH2) attached to it.
- Compound B: Shows an amino group (NH2) attached to an aldehyde functional group (C=O).
- Compound C: Features an aldehyde functional group (C=O) in a linear chain.
- Compound D: Exhibits a benzene ring with a hydroxyl group (OH) attached to it.

**Possible answers**:
- A (Circle Option)
- B (Circle Option)
- C (Circle Option)
- D (Circle Option)

**Explanation of IR Spectrum**:
- The prominent peaks in the IR spectrum need to be correlated with the functional groups found in the given compounds. Specific peaks could indicate the presence of amine (NH2), hydroxyl (OH), or carbonyl (C=O) groups.

Students need to analyze the IR spectrum and correlate the peaks with the specific functional groups of the given compounds to determine the correct answer.
Transcribed Image Text:**Question**: Which of the compounds match the IR spectrum shown below? Answer choices are shown below the spectrum. **IR Spectrum**: - The IR spectrum presented has the Y-axis labeled "Transmittance" and the X-axis labeled "Wavenumber (cm^-1)." - The spectrum shows significant peaks at various wavenumbers, indicating the presence of different functional groups within the molecule. **Answer choices**: - Compound A: Displays a benzene ring with an amino group (NH2) attached to it. - Compound B: Shows an amino group (NH2) attached to an aldehyde functional group (C=O). - Compound C: Features an aldehyde functional group (C=O) in a linear chain. - Compound D: Exhibits a benzene ring with a hydroxyl group (OH) attached to it. **Possible answers**: - A (Circle Option) - B (Circle Option) - C (Circle Option) - D (Circle Option) **Explanation of IR Spectrum**: - The prominent peaks in the IR spectrum need to be correlated with the functional groups found in the given compounds. Specific peaks could indicate the presence of amine (NH2), hydroxyl (OH), or carbonyl (C=O) groups. Students need to analyze the IR spectrum and correlate the peaks with the specific functional groups of the given compounds to determine the correct answer.
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