QQuestionChemistry
QuestionChemistry
What is the molecular geometry of carbon tetrachloride, CCl₄, and the molecular geometry at the central atom in Cl₂CO?
A. trigonal planar
B. trigonal pyramidal
C. square planar
D. tetrahedral
E. bent
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Analyze Carbon Tetrachloride (CCl₄)
- First, draw the Lewis structure of CCl₄ - Carbon is the central atom - Carbon has 4 chlorine atoms bonded to it - Determine electron geometry and molecular geometry - Carbon has 4 bonding pairs and 0 lone pairs - This results in a tetrahedral electron geometry - The molecular geometry is also tetrahedral
Step 3:: Analyze Dichlorocarbonyl (Cl₂CO)
- Draw the Lewis structure of Cl₂CO - Carbon is the central atom - Carbon is bonded to: * 2 chlorine atoms * 1 oxygen atom with a double bond * 1 hydrogen atom (not shown in the original notation) - Determine electron geometry and molecular geometry - Carbon has 3 bonding pairs and 0 lone pairs - This results in a trigonal planar geometry
Step 4:: Compare to Given Options
- CCl₄ matches option D: tetrahedral - Cl₂CO matches option A: trigonal planar
Final Answer
D. tetrahedral (for CCl₄)
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