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In SO(2) two oxygen atoms are linked to ...

In `SO_(2)` two oxygen atoms are linked to the sulphur atom through double bonds. The two `pi` bonds are

A

bond `p_(pi)-p_(pi)`

B

both `p_(pi)-d_(pi)`

C

both `d_(pi)-d_(pi)`

D

one `d_(pi)-p_(pi)` and one `p_(pi)-p_(pi)`

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To solve the question regarding the nature of the two pi bonds in sulfur dioxide (SO₂), we can break down the explanation into several steps. ### Step-by-Step Solution: 1. **Understanding the Structure of SO₂**: - Sulfur dioxide (SO₂) consists of one sulfur atom bonded to two oxygen atoms. Each oxygen atom is connected to the sulfur atom through a double bond. 2. **Identifying the Bonds**: - A double bond consists of one sigma (σ) bond and one pi (π) bond. Therefore, in SO₂, each S=O bond has one σ bond and one π bond. 3. **Electron Configuration**: - The electron configuration of sulfur (S) is 1s² 2s² 2p⁶ 3s² 3p⁴. This shows that sulfur has two electrons in the 3s orbital and four electrons in the 3p orbital. - The electron configuration of oxygen (O) is 1s² 2s² 2p⁴, indicating that each oxygen has two electrons in the 2s orbital and four electrons in the 2p orbital. 4. **Hybridization**: - In the case of SO₂, sulfur undergoes hybridization. The 3s and 3p orbitals of sulfur hybridize to form sp² hybrid orbitals. This allows for the formation of sigma bonds with the oxygen atoms. 5. **Formation of Pi Bonds**: - The remaining unhybridized p orbitals on sulfur and oxygen overlap to form the π bonds. Specifically, the p orbitals on sulfur (3p) and the p orbitals on oxygen (2p) interact to form the two π bonds. 6. **Types of Pi Bonds**: - The two π bonds in SO₂ can be described as: - One π bond formed from the overlap of a p orbital from sulfur and a p orbital from one oxygen (Pπ-Pπ). - The second π bond formed similarly with the other oxygen (Pπ-Pπ). - Additionally, there is a possibility of a Pπ-Dπ bond if we consider the involvement of d orbitals in sulfur, but primarily, the π bonds are Pπ-Pπ. 7. **Conclusion**: - Therefore, the two pi bonds in SO₂ are primarily Pπ-Pπ bonds formed from the p orbitals of sulfur and oxygen. ### Final Answer: The two pi bonds in SO₂ are Pπ-Pπ bonds.
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