Multiple Choice
The Lewis structure of N2H2 shows ________.
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11. Bonding & Molecular Structure
Lewis Dot Structures: Neutral Compounds
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What is the approximate bond angle around the central carbon atom in the Lewis structure of the neutral compound CHCl3 (chloroform)?
A
90°
B
120°
C
109.5°
D
180°
Verified step by step guidance1
Identify the central atom in the molecule CHCl3, which is carbon (C).
Determine the number of electron groups around the central carbon atom by counting the atoms directly bonded to it. In CHCl3, carbon is bonded to one hydrogen (H) and three chlorine (Cl) atoms, making a total of four bonded atoms.
Recognize that with four bonded atoms and no lone pairs on the central carbon, the electron geometry around carbon is tetrahedral.
Recall that the ideal bond angle in a tetrahedral geometry is approximately $109.5^\circ$.
Conclude that the approximate bond angle around the central carbon atom in CHCl3 is $109.5^\circ$.
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