JEE Main 2024 Chemistry question
The total number of species from the following in which one unpaired electron is present, is . N₂, O₂, C₂⁻, O₂⁻, O₂²⁻, H₂⁺, CN⁻, He₂⁺
Answer: 4
Solution
Species with one unpaired electron (by MO theory): C₂⁻, O₂⁻, H₂⁺ and He₂⁺. N₂, CN⁻
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