A) 3
B) 2
C) 1
D) ½
Correct Answer: C
Solution :
Molecular orbital configuration of\[O_{2}^{2-}=\sigma 1{{s}^{2}},\,\,{{\sigma }^{x}}1{{s}^{2}},\,\,\sigma 2{{s}^{2}},\,\,{{\sigma }^{x}}{{s}^{2}},\,\,\sigma 2{{p}^{2}}(x)\], Bond order\[=\frac{1}{2}(10-8)\] \[\pi \,2p_{y}^{2},\,\,\pi \,\,2p_{(z)}^{2},\,\,{{\pi }^{x}}2p_{(y)}^{2},\,\,{{\pi }^{x}}2p{{(z)}^{2}}\]
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