Please answer A-F with Lewis structure, sketch, geometry (shape), and all bond angles

Chemical Principles in the Laboratory
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ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter13: The Geometrical Structure Of Molecules-an Experiment Using Molecular Models
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Please answer A-F with Lewis structure, sketch, geometry (shape), and all bond angles
### Chemical Structure and Geometry Analysis for F₃CCH₃

#### a) Lewis Structure Drawing

- **Calculation of Electrons:**
  - **Fluorine (F):** 3 F atoms \( \times \ 7 \) electrons = 21 electrons
  - **Carbon (C):** 2 C atoms \( \times \ 4 \) electrons = 8 electrons
  - **Hydrogen (H):** 3 H atoms \( \times \ 1 \) electron = 3 electrons
- **Total Electrons:** 32 electrons in structure, 14 electrons in the Lewis structure leading to 16 electrons total in the bonds.

- **Lewis Structure Representation:**

  ```
       F
       |
  F—C—C—H
       |
       F   H
  ```

#### b) Description of the Shape

- **Central Atoms:**
  - **Atom 1 (C₁):**
    - Electron groups = 4
    - Bond groups = 4
    - Non-bonding groups = 0
    - Total = 4
  - **Atom 2 (C₂):**
    - Electron groups = 4
    - Bond groups = 4
    - Non-bonding groups = 0
    - Total = 4

- **Electron Group Arrangement** and **Geometry:**
  - **Central Atom 1:** Tetrahedral
  - **Central Atom 2:** Tetrahedral

- **Sketch of Molecular Structure:**

  ```
      H
      |
  F—C—C—H
      |
      F   F
  ```

- **Bond Angles:**
  - **FCF:** ≈ 109°
  - **C-H-H:** ≈ 109°
  - **CCH:** ≈ 109°
  - **C-F-C:** ≈ 109°

This analysis highlights the tetrahedral geometry and balanced angles common in such molecular structures.
Transcribed Image Text:### Chemical Structure and Geometry Analysis for F₃CCH₃ #### a) Lewis Structure Drawing - **Calculation of Electrons:** - **Fluorine (F):** 3 F atoms \( \times \ 7 \) electrons = 21 electrons - **Carbon (C):** 2 C atoms \( \times \ 4 \) electrons = 8 electrons - **Hydrogen (H):** 3 H atoms \( \times \ 1 \) electron = 3 electrons - **Total Electrons:** 32 electrons in structure, 14 electrons in the Lewis structure leading to 16 electrons total in the bonds. - **Lewis Structure Representation:** ``` F | F—C—C—H | F H ``` #### b) Description of the Shape - **Central Atoms:** - **Atom 1 (C₁):** - Electron groups = 4 - Bond groups = 4 - Non-bonding groups = 0 - Total = 4 - **Atom 2 (C₂):** - Electron groups = 4 - Bond groups = 4 - Non-bonding groups = 0 - Total = 4 - **Electron Group Arrangement** and **Geometry:** - **Central Atom 1:** Tetrahedral - **Central Atom 2:** Tetrahedral - **Sketch of Molecular Structure:** ``` H | F—C—C—H | F F ``` - **Bond Angles:** - **FCF:** ≈ 109° - **C-H-H:** ≈ 109° - **CCH:** ≈ 109° - **C-F-C:** ≈ 109° This analysis highlights the tetrahedral geometry and balanced angles common in such molecular structures.
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