Number of molecules/species from the following having one unpaired electron is ______

${O}_{2},{O}_{2}^{-},NO,C{N}^{-},{O}_{2}^{2-}$

[JEE Main 2024, 4 Apr (Shift 1)]

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Number of molecules/species from the following having one unpaired electron is ______ ${O}_{2},{O}_{2}^{-},NO,C{N}^{-},{O}_{2}^{2-}$ [JEE Main 2024, 4 Apr (Shift 1)]

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Number of molecules/species from the following having one unpaired electron is ______ \({O}_{2},{O}_{2}^{-},NO,C{N}^{-},…

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