Calcium carbide, CaC2, contains the acetylide ion, C2^2-. General molecular orbital energy level diagrams are provided below. Label the first molecular orbital energy level diagram for the ion using the 1s, 2s and 2 p orbitals as the basis set. How many net s and p bonds does the C^2- ion have? What is the carbon-carbon bond order?
How has the bond order changed on adding electrons to C2 to obtain C2^2-? Is the C2^2- ion paramagnetic or diamagnetic?
Net s bonds in C2^2-=
How has bond order changed?
Net p bonds in C2^2- =
Bond order in C2^2-=
Is C2^2- diamagnetic or paramagnetic?
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Calcium carbide is an intermediate in the manufacture of acetylene. (Calcium carbide was also used for years in mining lamps.) Its chemical formula is CaC2. What is the bond order of the C22- ion
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