Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The molecule if C9 H10 O
The IR spectra is provided, Identify the molecule, and functioal groups.
Transcribed Image Text:The image contains an Infrared (IR) spectroscopy graph alongside corresponding data and calculations relevant to the analysis. Below is a detailed transcription and description:
### Infrared Spectroscopy Graph
- **Axis Labels**:
- X-Axis: Wavenumbers (cm⁻¹), ranging from 4000 to 400.
- Y-Axis: % Transmittance, ranging from 0 to 100.
- **Identified Peaks and Annotations**:
- **3345.22 cm⁻¹**: annotated as "CH stretch Alkyne."
- **3026.17 cm⁻¹**: annotated as "C-H SP²."
- **2886.89 cm⁻¹**: annotated as part of a hydrocarbon chain.
- **1696.67 cm⁻¹**: annotated as "C=O Stretch."
- **Other Peaks**: 1596.54, 1493.73, 1448.47, 1372.30, 1202.89, 1080.08, 1008.06, 965.16, 833.07, 919.23, 733.29, and 690.46 cm⁻¹.
- **Chemical Formula Annotation**:
- The chemical formula noted at the top of the graph is C₁₄H₁₀O, indicating the compound analyzed.
### FIND PEAKS Data Section
- **Parameters**:
- Spectrum Range: 4000.00 to 400.00 cm⁻¹.
- Absolute Threshold: 100.204.
- Sensitivity: 50.
- **Peak List**:
- Positions and corresponding intensities are listed as follows:
- 690.46 cm⁻¹, Intensity: 34.413
- 733.29 cm⁻¹, Intensity: 50.453
- 833.07 cm⁻¹, Intensity: 89.843
- 919.23 cm⁻¹, Intensity: 85.379
- 965.16 cm⁻¹, Intensity: 46.865
- 1008.08 cm⁻¹, Intensity: 68.653
- 1068.99 cm⁻¹, Intensity: 74.243
Expert Solution
Step 1
Infrared spectroscopy is an analytical technique which is used to deduce the structure of a compound. It allows the identification of functional groups present in the compound on the basis of vibrations observed.
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