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MARCH 2024 — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryMARCH 20244 Marks
Question
$\left[ CoF _6\right]^{3-}$ is paramagnetic while $\left[ Ni ( CN )_4\right]^{2-}$ is diamagnetic, explain on the basis of valance bond theory.
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