QQuestionChemistry
QuestionChemistry
Draw the Lewis structure for COCl₂, including lone pairs.
What is the molecular shape of COCl₂?
Is the C-Cl bond in COCl₂ polar or nonpolar?
What is the Cl-C-Cl bond angle?
Is the molecule COCl₂ polar or nonpolar?
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Determine the total number of valence electrons
Total valence electrons: $$4 + 6 + (7 \times 2) = 24$$ electrons
- Carbon (C): 4 valence electrons - Oxygen (O): 6 valence electrons - Chlorine (Cl): 7 valence electrons (×2)
Step 3:: Arrange atoms and draw initial skeleton structure
- Place carbon in the center - Attach oxygen with a double bond - Attach two chlorine atoms to carbon
Step 4:: Lewis Structure Placement
- Central carbon double-bonded to oxygen - Single bonds to two chlorine atoms - Distribute remaining electrons as lone pairs Lewis Structure: \begin{array}{c} \ddot{Cl} \ \quad \downarrow \ O=C-Cl \ \quad \uparrow \ \ddot{Cl} \end{array}
Step 5:: Molecular Geometry
- Central carbon has three electron domains - Electron domain geometry: Trigonal planar - Molecular shape: Trigonal planar
Step 6:: Bond Polarity
- C-Cl bonds: Polar (electronegativity difference) - C=O bond: Polar
Step 7:: Bond Angle
- Cl-C-Cl bond angle: $$120^\circ
Final Answer
1. Lewis Structure: Shown in Step 3 2. Molecular Shape: Trigonal planar 3. C-Cl Bond: Polar 4. Cl-C-Cl Bond Angle: 120^\circ 5. Molecule Polarity: Polar (due to asymmetric distribution of electronegative atoms)
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