# Write the hybridization and magnetic character of the following complexes:(i)     $\left [ Fe\left ( H_{2}O \right )_{6} \right ]^{2+}$(ii)     $\left [ Fe\left (CO \right )_{5} \right ]$(Atomic number of Fe = 26)

(i) $\left [ Fe\left ( H_{2}O \right )_{6} \right ]^{2+}$

$_{26}Fe=4s^{2}3d^{6}$

$Fe^{2+}=4s^{0}3d^{6}$

Hybrization $\rightarrow sp^{3}d^{2}$

Paramagnetic, as it contains an unpaired electrons.

(ii) $\left [ Fe\left (CO \right )_{5} \right ]$

$_{26}Fe=4s^{2}3d^{6}$

Hybridiastion $\rightarrow dsp^{3}$

Diamagnetic, as it does not contain any unpaired electron.

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