In which reaction is the substance in bold acting as an oxidising agent? Fe2O3+3CO→2Fe+3CO2Pb2+(aq)+2𝐼−(aq)→Pb𝐼2(s)KMnO4+5FeCl2+8HCl→FeCl3+MnCl2+KCl+4H2OK𝐼+Cl2→KCl+𝐼2Answer savedReport a problem
Question
In which reaction is the substance in bold acting as an oxidising agent? Fe2O3+3CO→2Fe+3CO2Pb2+(aq)+2𝐼−(aq)→Pb𝐼2(s)KMnO4+5FeCl2+8HCl→FeCl3+MnCl2+KCl+4H2OK𝐼+Cl2→KCl+𝐼2Answer savedReport a problem
Solution
The substance in bold is acting as an oxidising agent in the reaction KI + Cl2 → KCl + I2.
Here's the step by step explanation:
An oxidising agent is a substance that has the ability to oxidise other substances, in other words, it causes other substances to lose electrons.
In the reaction KI + Cl2 → KCl + I2, the iodine (I) in potassium iodide (KI) is oxidised from an oxidation state of -1 to 0 in iodine molecule (I2). This is because it loses electrons.
On the other hand, the chlorine (Cl2) is reduced from an oxidation state of 0 to -1 in potassium chloride (KCl). This is because it gains the electrons lost by iodine.
Therefore, in this reaction, Cl2 is the oxidising agent because it causes the iodine to lose electrons.
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