On complete reaction of FeCl_3 with oxalic ac | vedclass

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Question

(D) The reaction of $FeCl_3$ with oxalic acid in the presence of $KOH$ leads to the formation of potassium trioxalatoferrate$(III)$: $FeCl_3 + 3H_2C_2

Vedclass · Accepted Answer

$6$

Vedclass · Answer

(D) The reaction of $FeCl_3$ with oxalic acid in the presence of $KOH$ leads to the formation of potassium trioxalatoferrate$(III)$: $FeCl_3 + 3H_2C_2O_4 + 6KOH ightarrow K_3[Fe(C_2O_4)_3] + 3KCl + 6H_2O$ The product $A$ is $K_3[Fe(C_2O_4)_3]$. In this coordination complex,the oxalate ion $(C_2O_4^{2-})$ is a bidentate ligand. Since there are $3$ oxalate ligands,the coordination number (secondary valency) of $Fe$ is $3 	imes 2 = 6$.

On complete reaction of $FeCl_3$ with oxalic acid in an aqueous solution containing $KOH$,the product $A$ is formed. The secondary valency of $Fe$ in the product $A$ is $...$ (Round off to the nearest integer).

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