
inorganic chemistry - Why does green ferrous sulfate solution change ...
Mar 12, 2021 · I was demonstrating the formation of $\ce {Fe (OH)2}$ precipitate at school when the light green $\ce {FeSO4}$ I was using reacted with dil. $\ce {HCl}$ turned yellow. This only …
Why iron reacts differently with concentrated and dilute sulfuric acid?
Oct 11, 2015 · In the dilute acid, this equilibrium lies far to the left because the concentrations of SOX4X2− S O X 4 X 2 and HX+ H X + are rather low. However, making the acid more concentrated …
physical chemistry - What is the n-factor of ferric sulfide when it ...
Jun 7, 2021 · In the final compound $\ce {FeSO4}$ the iron is ferrous, i.e. at the oxidation number + $2$. In this equation, the iron atom is reduced from + $3$ to + $2$. This is impossible in an oxidation with …
What is the balanced equation for the reaction of potassium ...
Sep 11, 2015 · Yes you are correct saying that manganese gets reduced from +7 + 7 to +2 + 2 and iron gets oxidised from +2 + 2 to +3 + 3. However, if I were you, since they already gave you the …
How do acids prevent ferrous sulfate from getting oxidised?
Apr 3, 2021 · If $\\ce{FeSO4.7H2O}$ is dissolved in an acidic environment, for example in 0.05 M aqueous solutions of methanoic or ethanoic acid, would that prevent it from getting oxidized if an …
Converting FeCl2 to FeSO4 - Chemistry Stack Exchange
Mar 22, 2024 · I have FeCl2 crystals and I want to produceFeSO4.7H2O based on the reaction below: $$\ce {FeCl2 + H2SO4 -> FeSO4 + HCl}$$ I dissolved the FeCl2 crystal in water, added equivalent …
inorganic chemistry - What happens to iron electrodes (attached to a ...
Jun 14, 2018 · After a few hours, the following observations were made: The solution turns green. My guess: $\\ce{FeSO4}$ is formed. There are reddish-brown and black powder deposits on both the …
What is the Structure of FeSO₄ • NO? - Chemistry Stack Exchange
Aug 21, 2019 · What is the structure of $\ce {FeSO4 \cdot NO}$ that is formed when $\ce {NO}$ is passed through ferrous sulfate solution? If it is a brown ring complex then why does the complex …
What is the chemical composition of Ferrous Ferrocyanide?
Sep 11, 2021 · $$\ce {K4 [Fe (CN)6] + 2 FeSO4 <=> 2 K2SO4 + Fe2 [Fe (CN)6]}$$ Although both of the above salts are white, a light-blue color is almost always obtained, because the precipitate is …
inorganic chemistry - Why the colour of KMnO4 at the end point of ...
Dec 12, 2017 · In the redox titration of $\ce {FeSO4}$ with $\ce {KMnO4}$, the colour change of the solution at the end point is colourless to light pink. Most laboratory manuals and books advice us to …