A) One sigma, one pi
B) Two sigma, one pi
C) Two sigma, two pi
D) One sigma, two pi
Correct Answer: D
Solution :
Calcium carbide exists as \[C{{a}^{2+}}\]and \[C{{a}_{2}}^{2-}.\]According to the molecular orbital model, \[{{C}_{2}}^{2-}\]should have a bond order of 3 (configuration \[\pi _{u}^{2}\pi _{u}^{2}\sigma _{g}^{2}\]). MOT configuration suggests that it contains one o and twoYou need to login to perform this action.
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