Au3+
Fe3+
ClO-
Ca2+
Explanation
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all this one that u people are saying i don't understand
what is the main answer and how

Explanation:
An oxidizing agent is a substance that gains electrons (gets reduced) and in the process oxidizes another species.
Fe³⁺ can act as an oxidizing agent because it can accept an electron to become Fe²⁺.
ClO⁻ (hypochlorite) is also an oxidizing agent and is used in bleaching and disinfecting. So it could also be a possible answer, depending on the context.
However, in inorganic chemistry, especially in exams like JAMB, Fe³⁺ is commonly recognized as a classical oxidizing agent due to its electron-accepting nature in redox reactions.
Final Answer: B) Fe³⁺
Let me know if the question was from a specific context (e.g., bleach, redox chemistry, or industrial use), and I can adjust the explanation accordingly.

Fe3+ can be used as an O. A which will leta reduce from Fe3+ to Fe2+, like F- cannot not longer reduce again from - even if it changes from F- to F ie from ion to free state its oxidation number increase ie oxidized And not reduced recall O. A will leta reduce ( my suggestion)

Flourine ion is an electron donor, so it cannot be an oxidising agent. The answer is Fe3+



Also note electron acceptors are oxidizing agents while electron donor are reducing agents.like Al,Fe,&Ca are electron donor while F is electron is electron accepto...

