Among Co³⁺, Ti²⁺, V²⁺, Cr²⁺ ions, | Coordination JEE Main 2022

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JEE-Main 2022

25-7-2022_S-1

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Among $\mathrm{Co}^{3+}, \mathrm{Ti}^{2+}, \mathrm{V}^{2+}$ and $\mathrm{Cr}^{2+}$ ions, one if used as a reagent cannot liberate $\mathrm{H}_2$ from dilute mineral acid solution, its spin-only magnetic moment in gaseous state is $\_\_\_\_$ B.M. (Nearest integer)

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