The structure of ozone most closely resembles a

Question

BlackTom AI · Accepted Answer

When considering the molecular geometry of ozone (O3), several features must be weighed. 
Option 1 describes a bent molecule with bonds of equal length, which aligns with the actual description of ozone: the molecule is V-shaped (bent) at the central oxygen, and the two O–O bonds are equivalent due to resonance, giving them the same bond length. This resonance-delocalization situation leads to a bond order between a single and a double bond, producing the observed geometry and bond equality.
Option 2 proposes a bent shape with bonds of different lengths. While ozone is bent, the two O–O bonds are not of significantly different lengths in the resonance-stabilized picture, so this option misstates the bond-length equality that resonance imparts.
Option 3 suggests a linear molecule with different bond lengths. O3 is not linear; the experimental and theoretical evidence shows a bond angle around 117–120 degrees, consistent with a bent geometry, not a straight line, so this option is inaccurate on both shape and bond-length implication.
Option 4 posits a linear molecule with bonds of equal length. The equal-length criterion is correct for the bonds due to resonance, but the linear geometry is incorrect for ozone, which has a clear bent arrangement, making this option incorrect in the shape aspect.
In summary, ozone is best described as a bent (V-shaped) molecule with all O–O bonds of equal length due to resonance, which corresponds to Option 1. The other options mix up either the geometry (linear vs. bent) or the bond-length relationship (equal vs. unequal), leading to incorrect characterizations of ozone's structure.

The structure of ozone most closely resembles a单项选择题

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