The calculated 'spin-only' magnetic moment ${Ti}^{2 +}\left( 3{ ext{ }d}^{2} ight)$ is :

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The calculated 'spin-only' magnetic moment ${Ti}^{2 +}\left( 3{	ext{ }d}^{2} ight)$ is :

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Sol. [Key Concept: Spin-only magnetic moment μ = √n(n+2) BM] Spin only magnetic moment $\mu = \sqrt{n(n + 2)}$ B.M$n =$ Number of unpaired $e^{-}(s)$Electronic configuration of ${Ti}^{2 +} \Rightarrow \lbrack Arbrack 4s^{0}3d^{2}$$$\begin{matrix} \mu & \ = \sqrt{2 	imes 4} \ & \ = 2.84BM \end{matrix}$$

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