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Total number of molecules/species from following which will be paramagnetic is ______ O ₂, O ₂⁺, O ₂⁻, NO , NO ₂, CO , K ₂ [ NiCl ₄ ], [ Co ( NH ₃ )₆ ] Cl ₃, ~K ₂ [ Ni ( CN )₄ ]

Correct answer

0

Step-by-step solution

O ₂ 2 unpaired electrons according to MOT O ₂⁺ 1 unpaired electrons according to MOT O ₂⁻ 1 unpaired electrons according to MOT NO odd electron species NO ₂ odd electron species K ₂ [ NiCl ₄ ] Ni ²⁺ 3 ~d ^8 weak Ligand, C.N. =4 Tetrahedral, Paramagnetic with 2 unpaired electrons

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