Practice Final Exam 1. Each of the following species contains two πbonds EXCEPTA) O2B) HCCH C) CO2D) CN-E) N22. Which of the following species is(are) planar? (i) CO32-(ii) XeF4 (iii) H2NNH23. In diatomic oxygen (O2), the highest energy molecular orbital that is occupied by at least one electron is 4. A CN22-ion has a structure that is best described as 5. The best answer to report for is: (15.415 - 14.515)3.465+ 0.0402597 A) 0.30000 B) 0.3000 C) 0.300 D) 0.30 E) 0.3
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