(a) $$ \mathrm{SiBr}_{4} $$ tristorted tetrahedron (b) $$ \mathrm{CS}_{2} $$ trigonal pyramidal trigonal planar trigonal pyramidal (c) $$ \mathrm{NO}_{3}^{-} $$ trigonal planar bent trigonal pyramidal tetrahedral to

Question

UpStudy AI · Accepted Answer

Sure, I can help clarify the molecular geometries for each of the compounds listed. Here's a breakdown:

### (a) **$$ \mathrm{SiBr}_4 $$**
- **Molecular Geometry:** **Tetrahedral**
  
  **Explanation:** Silicon tetrabromide ($$ \mathrm{SiBr}_4 $$) has four bromine atoms bonded to a central silicon atom with no lone pairs on the silicon. This arrangement results in a **tetrahedral** geometry, where the bond angles are approximately 109.5°.

### (b) **$$ \mathrm{CS}_2 $$**
- **Molecular Geometry:** **Linear**
  
  **Explanation:** Carbon disulfide ($$ \mathrm{CS}_2 $$) has a carbon atom double-bonded to two sulfur atoms. There are no lone pairs on the carbon, leading to a **linear** geometry with a bond angle of 180°.

*(Note: It seems there might have been a typo or confusion in the options provided. If the intended compound was different, please provide more details.)*

### (c) **$$ \mathrm{NO}_3^- $$ (Nitrate Ion)**
- **Molecular Geometry:** **Trigonal Planar**
  
  **Explanation:** The nitrate ion ($$ \mathrm{NO}_3^- $$) consists of one nitrogen atom bonded to three oxygen atoms and has a negative charge. There are no lone pairs on the nitrogen atom, resulting in a **trigonal planar** geometry with bond angles of approximately 120°.

---

**Summary of Geometries:**
- **$$ \mathrm{SiBr}_4 $$:** Tetrahedral
- **$$ \mathrm{CS}_2 $$:** Linear
- **$$ \mathrm{NO}_3^- $$:** Trigonal Planar

If you have any further questions or need clarification on any of these structures, feel free to ask!
- **$$ \mathrm{SiBr}_4 $$:** Tetrahedral - **$$ \mathrm{CS}_2 $$:** Linear - **$$ \mathrm{NO}_3^- $$:** Trigonal Planar

(a)
tristorted tetrahedron
(b)
trigonal pyramidal
trigonal planar
trigonal pyramidal
©
trigonal planar
bent
trigonal pyramidal
tetrahedral
to

Upstudy AI Solution

Answer

Solution

Beyond the Answer

Related Questions

Latest Chemistry Questions

(a) tristorted tetrahedron (b) trigonal pyramidal trigonal planar trigonal pyramidal © trigonal planar bent trigonal pyramidal tetrahedral to