Multiple Choice
Which of the following statements correctly describes the Lewis dot structure of the neutral compound Cl2O2?
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11. Bonding & Molecular Structure
Lewis Dot Structures: Neutral Compounds
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Which of the following statements correctly describes the Lewis dot structure of dichloromethane (CH2Cl2)?
A
The central carbon atom forms two double bonds with chlorine atoms and two single bonds with hydrogen atoms.
B
The central carbon atom forms four single bonds: two with hydrogen atoms and two with chlorine atoms, with no lone pairs on carbon.
C
The central carbon atom has two lone pairs and forms two single bonds with hydrogen atoms.
D
Each hydrogen atom in CH2Cl2 has one lone pair in the Lewis structure.
Verified step by step guidance1
Identify the central atom in dichloromethane (CH2Cl2), which is carbon (C), because carbon typically forms the most bonds and is less electronegative than chlorine.
Recall that carbon has 4 valence electrons and tends to form 4 covalent bonds to complete its octet without lone pairs.
Recognize that hydrogen atoms each form only one single bond and do not have lone pairs, as hydrogen follows the duet rule.
Understand that chlorine atoms typically form one single bond and have three lone pairs to complete their octet.
Conclude that the Lewis structure of CH2Cl2 consists of carbon forming four single bonds (two with hydrogen atoms and two with chlorine atoms), with no lone pairs on carbon, and lone pairs on chlorine atoms only.
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