Which of the following molecular species has unpaired electrons(s) ? .

1.	Which of the following molecular species has unpaired electrons(s) ? .A. `N_(2)`B. `F_(2)`C. `O_(2)^(-)`D. `O_(2)^(2)`
Answer» Correct Answer - c `sigma 1s^(2), sigma 1s^(2), sigma 2s^(2), sigma 2s^(2), sigma p_(x)^(2) pi 2p_(y)^(2), pi 2p_(z)^(2), pi 2p_(y)^(2) pi 2p_(z)^(1)` Hence , `O_(2)^(-)` has unpaired electron.

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Which of the following molecular species has unpaired electrons(s) ? .A. `N_(2)`B. `F_(2)`C. `O_(2)^(-)`D. `O_(2)^(2)`

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