A) \[{{N}_{2}},O_{2}^{2+},N{{O}^{+}},\overset{\Theta }{\mathop{C}}\,N\]
B) \[{{O}_{2}},N_{2}^{2-},N{{O}^{-}},N{{O}_{2}}^{+}\]
C) \[NO,\,{{N}_{2}}^{\odot -},\,O_{2}^{+},\,N{{O}^{2+}}\]
D) All are correct
Correct Answer: D
Solution :
M.O. configuration upto \[14\overline{e}\] \[{{\sigma }_{1{{s}^{2}}}}<\overset{*}{\mathop{{{\sigma }_{1{{s}^{2}}}}}}\,<{{\sigma }_{2{{s}^{2}}}}<\overset{*}{\mathop{{{\sigma }_{2{{s}^{2}}}}}}\,\underset{{{\overset{*}{\mathop{\pi }}\,}_{2p{{y}^{2}}}}}{\mathop{<{{\pi }_{2p{{x}^{2}}}}}}\,<{{\sigma }_{2p{{z}^{2}}}}\underset{\pi _{2p{{y}^{o}}}^{*}}{\mathop{\overset{*}{\mathop{<}}\,{{\pi }_{2p{{x}^{o}}}}}}\,\overset{*}{\mathop{<}}\,{{\pi }_{2p{{z}^{o}}}}\]eg: For\[{{N}_{2}},C{{N}^{-}}:\] \[{{N}_{2}},\,B.O.=3.0\] \[{{N}_{2}}:B.O.=2.5\] \[C{{N}^{-}},\,B.O.=3.0\] \[N_{2}^{2-}B.O.=2.0\] M.O. configuration for more than \[14_{e}^{-}\] \[{{\sigma }_{1{{s}^{2}}}}<\overset{*}{\mathop{{{\sigma }_{1{{s}^{2}}}}}}\,<{{\sigma }_{2{{s}^{2}}}}<\overset{*}{\mathop{{{\sigma }_{2{{s}^{2}}}}}}\,\underset{{}}{\mathop{<{{\pi }_{2p{{z}^{2}}}}}}\,\underset{\pi _{2p{{y}^{2}}}^{{}}}{\mathop{<{{\sigma }_{2p{{x}^{2}}}}}}\,\underset{{{\overset{*}{\mathop{\pi }}\,}_{2p{{y}^{1}}}}}{\mathop{\overset{*}{\mathop{<}}\,{{\pi }_{2p{{x}^{1}}}}}}\,\overset{*}{\mathop{<}}\,{{\pi }_{2p{{z}^{o}}}}\]eg: for\[{{O}_{2}},NO:\] \[{{O}_{2}},B.O.=2.0\] \[NO,B.O.=2.5\] \[{{O}_{2}}+B.O.=2.5\] \[N{{O}^{+}},B.O.=3.0\] \[{{O}_{2}}^{2+},B.O.=3.0\] \[N{{O}^{-}},\,B.O.=2.0\] \[N{{O}^{2+}},B.O.=2.5\] B.O. of \[N-O\] bond in \[NO_{2}^{+}\]ie\[O=\overset{+}{\mathop{N}}\,=O=2.0\]
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