Consider the hydrates ions of

Question:

Consider the hydrates ions of $\mathrm{Ti}^{2+}, \mathrm{V}^{2+}, \mathrm{Ti}^{3+}$ and $\mathrm{Sc}^{3+}$. The correct order of their spin-only magnetic moments is :

  1. $\mathrm{Sc}^{3+}<\mathrm{Ti}^{3+}<\mathrm{Ti}^{2+}<\mathrm{V}^{2+}$

  2. $\mathrm{Ti}^{3+}<\mathrm{Ti}^{2+}<\mathrm{Sc}^{3+}<\mathrm{V}^{2+}$

  3. $\mathrm{Sc}^{3+}<\mathrm{Ti}^{3+}<\mathrm{V}^{2+}<\mathrm{Ti}^{2+}$

  4. $\mathrm{V}^{2+}<\mathrm{Ti}^{2+}<\mathrm{Ti}^{3+}<\mathrm{Sc}^{3+}$


Correct Option: 1

Solution:

 

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