The pair of metal ions that can give a spin-o | vedclass

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Question

$H_2O$ is weak field ligand and magnetic moment $=$ moment $=\,\sqrt {n(n+2)} \,BM$

Solving for $'n'$ we get it as $3;$ i.e., no. of unpair

Vedclass · Accepted Answer

$V^{2+}$ and $Co^{2+}$

Vedclass · Answer

$H_2O$ is weak field ligand and magnetic moment $=$ moment $=\,\sqrt {n(n+2)} \,BM$

Solving for $'n'$ we get it as $3;$ i.e., no. of unpaired electron $=\,3$

$F{e^{2 + }}\, = \,{t_{2g}}^4\,{e_g}^2$

$C{o^{2 + }}\, = \,{t_{2g}}^5\,{e_g}^2$

${V^{2 + }}\, = \,t_{2g}^3\,{e_g}^0$

$	herefore \,\,M$ is $V,\,Co$

The pair of metal ions that can give a spin-only magnetic moment of $3.9\, BM$ for the complex $[M(H_2O)_6]Cl_2$ is

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