which is the formula that describes process to transform Fe3+ to Fe2+ thanks to HCl in the stomach?
The IronIII gains an electron: Reduction.
The process of transforming Fe3+ to Fe2+ in the stomach with the help of HCl involves a redox reaction. Here's the balanced equation for this reaction:
Fe3+ + HCl → Fe2+ + Cl2 + H2O
To understand how this equation is derived, let's break it down step by step:
Step 1: When Fe3+ ions (ferric ions) react with HCl (hydrochloric acid), the Fe3+ ions are reduced and lose one electron, resulting in the formation of Fe2+ ions (ferrous ions). This reduction process is caused by the strong reducing properties of HCl.
Fe3+ + e- → Fe2+
Step 2: The other component of the reaction is the oxidation of Cl- ions (chloride ions) present in HCl. In this process, chloride ions lose electrons and form chlorine gas (Cl2).
2 Cl- → Cl2 + 2 e-
Combining these two half-reactions gives us the balanced redox equation:
Fe3+ + HCl → Fe2+ + Cl2 + H2O
Please note that this equation is a simplified representation of the overall reaction; there might be additional reactions and species in a real stomach environment.