Q3) (- A solution of 2.0 g of (+)-glyceraldehyde in 10.0 mL of water was placed in a 10.0 cm polarimeter tube. Using the sodium D line, a rotation of 1.74⁰ was observed at 25°C. Calculate the specific rotation of (+)-glyceraldehyde.

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### Polarimetry and IR Spectroscopy

**Q3)**
A solution of 2.0 g of (+)-glyceraldehyde in 10.0 mL of water was placed in a 10.0 cm polarimeter tube. Using the sodium D line, a rotation of 1.74° was observed at 25°C. Calculate the specific rotation of (+)-glyceraldehyde.

---

**Q4.**
1. What does IR spectroscopy talk about?
2. What information can we get from IR spectroscopy?
3. How does IR spectroscopy help us study the formation of metal complexes with ligands?

---

### Graphical Analysis

The image contains three graphs that detail the energy levels and transitions of a specific system. Each graph has axes labeled with arbitrary units, presumably representing different parameters.

#### Graph Descriptions:
- **Graph 1:** 
  - Vertical Axis: Energy level (arbitrary units, from 10 to 70).
  - Horizontal Axis: Parameter (arbitrary units, from 0 to 40).
  - The graph features several intersecting and diverging lines, each labeled (e.g., 2T1, 3A, 3T2).
  
- **Graph 2:** 
  - Vertical Axis: Energy level (arbitrary units, from 10 to 70).
  - Horizontal Axis: Parameter (arbitrary units, from 0 to 40).
  - Similar to Graph 1, with intersecting and diverging lines, labeled accordingly (e.g., 5T2, 1A1, 1T2).
  
- **Graph 3:** 
  - Vertical Axis: Energy level (arbitrary units, from 10 to 60).
  - Horizontal Axis: Parameter (arbitrary units, from 0 to 40).
  - Features several lines, both solid and dashed, each labeled (e.g., 6T1, 4T1, 3T2).

---

These graphs show the splitting of energy levels which is typical in the study of ligand fields in coordination chemistry, useful for understanding transitions and spectroscopic properties.
Transcribed Image Text:### Polarimetry and IR Spectroscopy **Q3)** A solution of 2.0 g of (+)-glyceraldehyde in 10.0 mL of water was placed in a 10.0 cm polarimeter tube. Using the sodium D line, a rotation of 1.74° was observed at 25°C. Calculate the specific rotation of (+)-glyceraldehyde. --- **Q4.** 1. What does IR spectroscopy talk about? 2. What information can we get from IR spectroscopy? 3. How does IR spectroscopy help us study the formation of metal complexes with ligands? --- ### Graphical Analysis The image contains three graphs that detail the energy levels and transitions of a specific system. Each graph has axes labeled with arbitrary units, presumably representing different parameters. #### Graph Descriptions: - **Graph 1:** - Vertical Axis: Energy level (arbitrary units, from 10 to 70). - Horizontal Axis: Parameter (arbitrary units, from 0 to 40). - The graph features several intersecting and diverging lines, each labeled (e.g., 2T1, 3A, 3T2). - **Graph 2:** - Vertical Axis: Energy level (arbitrary units, from 10 to 70). - Horizontal Axis: Parameter (arbitrary units, from 0 to 40). - Similar to Graph 1, with intersecting and diverging lines, labeled accordingly (e.g., 5T2, 1A1, 1T2). - **Graph 3:** - Vertical Axis: Energy level (arbitrary units, from 10 to 60). - Horizontal Axis: Parameter (arbitrary units, from 0 to 40). - Features several lines, both solid and dashed, each labeled (e.g., 6T1, 4T1, 3T2). --- These graphs show the splitting of energy levels which is typical in the study of ligand fields in coordination chemistry, useful for understanding transitions and spectroscopic properties.
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