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Which of the following does not existA. `Be_(2)`B. `B_(2)`C. `C_(2)`D. `N_(2)` |
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Answer» Correct Answer - A Which of the following ……… Electronic conf. `BC = 1s^(2)2s^(2)` by molecular orbital theory `BC_(2)sigma^(2)1s sigma^(2)overset(.)1s` `sigma^(2)2s overset(.)sigma 2s` Bond order `= (1)/(2) (4-4)` Hence `BC_(2)` does not exist . |
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