The difference between spin only magnetic moment values of $$\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\mathrm{Cl}_{2}$$ and $$\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$$ is ___________.
Answer (integer)
0
Solution
$\mathrm{Co} \rightarrow 4 s^{2} 3 d^{7}$
<br/><br/>
$\mathrm{H}_{2} \mathrm{O}$ is weak field ligand.
<br/><br/>
$\mathrm{Co}^{+2} \rightarrow 3 d^{7}$
<br/><br/>
$$
\begin{aligned}
\mathrm{n}=3 \quad \mu_{1} &=\sqrt{n(\mathrm{n}+2)} \\
&=\sqrt{15} \text { B.M. }
\end{aligned}
$$
<br/><br/>
$\mathrm{Cr} \rightarrow 4 s^{1} 3 d^{5}$
<br/><br/>
$\mathrm{Co}^{+3} \rightarrow 3 d^{3}$
<br/><br/>
$\mathrm{n}=3 \quad \mu_{2}=\sqrt{15}$ B.M.
<br/><br/>
$\mu_{1}-\mu_{2}=0$
About this question
Subject: Chemistry · Chapter: Coordination Compounds · Topic: Ligands and Coordination Number
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