Chemistry: stuck on this question?
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Dioxygenyl, O2+ bond?
ByF7URRY
O2+ has a bond order of 2.5. In the triplet oxygen O2, there is one sigma bond and two 1/2 pi bonds. But what about O2+? The image is from the Wikipedia article, but I can't tell whether this is a sigma and a full pi bond (i.e., paired) + 1 1/2 π, or 1…
The question is somewhat opaque, the standard enthalpy of ozone (also only oxygen) would be, for example, no more 0.
At any point, one simply defined that the standard enthalpy of elements in its stable form 0.
Zero.
and why?
It was defined.