Which labeled atom(s) in the following compound is (are) in violation of the octet rule?

Chemistry
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Which labeled atom(s) in the following compound is (are) in violation of the octet rule?

The image depicts a structural chemical formula of an organic compound. Here is the transcription and explanation of the structure:

1. **Carbon (C) Atoms:**
   - Central carbon atom labeled **b** is connected to three other groups:
     - **a**: Triple bond to a sulfur atom with a lone pair.
     - **c**: Single bond to another carbon atom.
     - **d**: Single bond to a boron atom, which is also bonded to two hydrogen atoms.
     
2. **Boron (B) Atom:**
   - The boron atom is labeled **d**, connected to two hydrogen atoms.

3. **Chain of Carbon Atoms:**
   - **c**: A carbon atom connected to both the initial carbon labeled **b** and another carbon atom labeled **e**.
   - **e**: A carbon atom with a double bond (C=C) to another carbon with a methyl group (CH₃) labeled **f**.
   - **g**: Single bond to a sulfur-hydrogen group (SH).

4. **Functional Groups:**
   - Sulfur atom (S) with a lone pair is involved in a triple bond.
   - There is a thio group (SH) linked to carbon.
   - Methyl group (CH₃) is attached to a carbon atom.

5. **Carbon with Two Dots:**
   - **h**: Carbon atom with a lone pair of electrons indicates a carbanion (negatively charged carbon).

This structural representation is an example of complex organic chemistry, involving various bonds like single, double, and triple bonds, as well as multiple elements including carbon, sulfur, and boron. The use of lone pairs and the presence of charges indicate reactivity and potential interactions with other chemical species.
Transcribed Image Text:The image depicts a structural chemical formula of an organic compound. Here is the transcription and explanation of the structure: 1. **Carbon (C) Atoms:** - Central carbon atom labeled **b** is connected to three other groups: - **a**: Triple bond to a sulfur atom with a lone pair. - **c**: Single bond to another carbon atom. - **d**: Single bond to a boron atom, which is also bonded to two hydrogen atoms. 2. **Boron (B) Atom:** - The boron atom is labeled **d**, connected to two hydrogen atoms. 3. **Chain of Carbon Atoms:** - **c**: A carbon atom connected to both the initial carbon labeled **b** and another carbon atom labeled **e**. - **e**: A carbon atom with a double bond (C=C) to another carbon with a methyl group (CH₃) labeled **f**. - **g**: Single bond to a sulfur-hydrogen group (SH). 4. **Functional Groups:** - Sulfur atom (S) with a lone pair is involved in a triple bond. - There is a thio group (SH) linked to carbon. - Methyl group (CH₃) is attached to a carbon atom. 5. **Carbon with Two Dots:** - **h**: Carbon atom with a lone pair of electrons indicates a carbanion (negatively charged carbon). This structural representation is an example of complex organic chemistry, involving various bonds like single, double, and triple bonds, as well as multiple elements including carbon, sulfur, and boron. The use of lone pairs and the presence of charges indicate reactivity and potential interactions with other chemical species.
Expert Solution
Step 1

The atoms form ionic bonds (by exchange of electrons) or covalent bonds (by sharing of electrons) to complete the octet in the valance shell. The type of bonding depends on the number of valance electrons in an atom.

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