The number of paramagnetic species among the following is ...........
\[
B _2, Li _2, C _2, C _2^{-}, O _2^{-2}, O _2^{+} \text {and } He _2^{+} \text {. }
\]

[JEE Main 2022, 28 Jul (Shift 1)]

Question

The number of paramagnetic species among the following is ........... $$ B _2, Li _2, C _2, C _2^{-}, O _2^{-2}, O _2^{+} \text {and } He _2^{+} \text {. } $$ [JEE Main 2022, 28 Jul (Shift 1)]

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The number of paramagnetic species among the following is ........... \[ B _2, Li _2, C _2, C _2^{-}, O _2^{-2}, O _2^{+…

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