Calcium carbide, CaC 2 ,contains the acetylide ion, C 2 2- .Sketch the molecular orbital energy’level diagram for the ion and the electron dot strucure.
Calcium carbide, CaC 2 ,contains the acetylide ion, C 2 2- .Sketch the molecular orbital energy’level diagram for the ion and the electron dot strucure. (a) How many net σ and π bonds does the ion have? (b) is the carbon-carbon bond order? (c) Compare the valence bond and MO pictures with regard to the number of σ and π bonds and the bond order. (d) How has the bond order changed on adding electrons to C 2 to obtain C 2 2- ? (e) Is the C 2 2- ion paramagnetic?
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