Question

What are the original colors of the ${\mathrm{FeSO}}_4$solution and of the ${\mathrm{FeCl}}_3$ solution?

Answer 1

Ferrous sulfate $\left({\mathrm{FeSO}}_4\right)$:

• Ferrous sulfate is a salt of Iron with having molecular formula ${\mathrm{FeSO}}_4$.
• It appears as a bluish-green aqueous solution.
• The oxidation state of Iron in Ferrous sulfate is $+2$.

Ferric chloride $\left({\mathrm{FeCl}}_3\right)$:

• Ferric chloride is a salt of Iron with having molecular formula ${\mathrm{FeCl}}_3$.
• It appears as a light-brown aqueous solution.
• The oxidation of Iron in Ferric chloride is $+3$.