本题目来源于试卷: What Drives Chemical Reactions D.2 Energy Cycles in Reactions,类别为 IB化学
[单选题]
Which statement about ozone is cor,9g9eozp h ew.8/ fukdrenx2n n5i;vdx+plyb v m2 )w0hns+m2)zct?
A. The average bond enthalpy for the oxygen-to-oxygen bonds in ozone is the same as the average bond enthalpy for O−O
B. The average bond enthalpy for the oxygen-to-oxygen bonds in ozone is the same as the average bond enthalpy for O=O
C. The average bond enthalpy for the oxygen-to-oxygens bonds in ozone depends on which bond is being broken
D. The average bond enthalpy for the oxygen-to-oxygen bonds in ozone is intermediate between the average bond enthalpy for O−O and O=O
参考答案: D
本题详细解析:
Ozone has a resonance structure. The oxygen-oxygen bond order is 1.5 (between orders 1 and 2).
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