15) Chemical Formula: CsH8O2 5x2= IR: strong peak 1720cm-¹, 1650cm-¹( hard to see but, all peaks that integrate to 1H are doublet of doublets) 5 H 1H 3 3H PPM ЗН 21 0

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Chapter1: Chemical Foundations
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### Chemical Analysis: Spectroscopy Data

**Chemical Formula:** C₅H₈O₂

**Infrared (IR) Spectroscopy:**
- **Strong Peak:** 1720 cm⁻¹
- **Another Peak:** 1650 cm⁻¹ (difficult to notice, all peaks that integrate to 1H are doublets)

**Nuclear Magnetic Resonance (NMR) Spectroscopy:**

**Graph Description:**

- **X-Axis (PPM):** Chemical shift in parts per million (PPM)
- **Peaks:**
  - **Two 1H Peaks:** Near 5 PPM, indicated as doublets, representing hydrogens in the structure.
  - **Two 3H Peaks:** A significant peak around 2 PPM and another around 1 PPM.

**Note on Calculations:**
- Calculation shown as: \( 5 \times 2 = 10 + 7 = 12 - 8 = 4 \div 2 = 2 \)

This graph represents a proton NMR spectrum, highlighting the environment of hydrogen atoms (protons) within the compound C₅H₈O₂. Each peak correlates to different hydrogen environments, providing insights into the molecular structure.
Transcribed Image Text:### Chemical Analysis: Spectroscopy Data **Chemical Formula:** C₅H₈O₂ **Infrared (IR) Spectroscopy:** - **Strong Peak:** 1720 cm⁻¹ - **Another Peak:** 1650 cm⁻¹ (difficult to notice, all peaks that integrate to 1H are doublets) **Nuclear Magnetic Resonance (NMR) Spectroscopy:** **Graph Description:** - **X-Axis (PPM):** Chemical shift in parts per million (PPM) - **Peaks:** - **Two 1H Peaks:** Near 5 PPM, indicated as doublets, representing hydrogens in the structure. - **Two 3H Peaks:** A significant peak around 2 PPM and another around 1 PPM. **Note on Calculations:** - Calculation shown as: \( 5 \times 2 = 10 + 7 = 12 - 8 = 4 \div 2 = 2 \) This graph represents a proton NMR spectrum, highlighting the environment of hydrogen atoms (protons) within the compound C₅H₈O₂. Each peak correlates to different hydrogen environments, providing insights into the molecular structure.
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