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The number of compounds having all atoms...

The number of compounds having all atoms in a single plane are
`XeF_(4),SF_(4), Al_(2)Cl_(6),SnCl_(4),I_(2)Cl_(6), H_(2)C=C=C=CH_(2), PhCl, C_(2)(CN)_(4),Icl_(3), PCl_(5)`

Text Solution

AI Generated Solution

The correct Answer is:
To determine the number of compounds having all atoms in a single plane from the given list, we will analyze each compound based on its molecular geometry. ### Step-by-Step Solution: 1. **XeF₄ (Xenon Tetrafluoride)**: - Molecular Geometry: Square planar (due to 4 bonding pairs and 2 lone pairs). - **Conclusion**: All atoms are in a single plane. **(Planar)** 2. **SF₄ (Sulfur Tetrafluoride)**: - Molecular Geometry: See-saw (due to 4 bonding pairs and 1 lone pair). - **Conclusion**: Not all atoms are in a single plane. **(Non-planar)** 3. **Al₂Cl₆ (Aluminum Chloride)**: - Molecular Geometry: Planar due to the presence of coordinate bonds and the arrangement of atoms. - **Conclusion**: All atoms are in a single plane. **(Planar)** 4. **SnCl₄ (Tin Tetrachloride)**: - Molecular Geometry: Tetrahedral. - **Conclusion**: Not all atoms are in a single plane. **(Non-planar)** 5. **I₂Cl₆ (Iodine Hexachloride)**: - Molecular Geometry: Planar due to its dimeric structure derived from ICl₃. - **Conclusion**: All atoms are in a single plane. **(Planar)** 6. **H₂C=C=C=CH₂ (Butatriene)**: - Molecular Geometry: Linear (due to alternating double bonds). - **Conclusion**: All atoms are in a single plane. **(Planar)** 7. **PhCl (Chlorobenzene)**: - Molecular Geometry: Planar due to the benzene ring structure. - **Conclusion**: All atoms are in a single plane. **(Planar)** 8. **C₂(CN)₄ (Dicyanobutadiene)**: - Molecular Geometry: Planar due to the arrangement of double and triple bonds. - **Conclusion**: All atoms are in a single plane. **(Planar)** 9. **ICl₃ (Iodine Trichloride)**: - Molecular Geometry: T-shaped (due to 3 bonding pairs and 2 lone pairs). - **Conclusion**: Not all atoms are in a single plane. **(Non-planar)** 10. **PCl₅ (Phosphorus Pentachloride)**: - Molecular Geometry: Trigonal bipyramidal. - **Conclusion**: Not all atoms are in a single plane. **(Non-planar)** ### Summary of Planar Compounds: - Planar Compounds: XeF₄, Al₂Cl₆, I₂Cl₆, H₂C=C=C=CH₂, PhCl, C₂(CN)₄, ICl₃ - Total Count of Planar Compounds: **7** ### Final Answer: The number of compounds having all atoms in a single plane is **7**. ---
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