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Sagot :
Answer: The correct answer is Option C.
Explanation:
Oxidation state is the number which is assigned to an element when it gains or looses electrons. If the element gains electron, it will attain a negative oxidation state and if the element looses electrons, it will attain a positive oxidation state.
We take the oxidation state of iron atom be 'x'.
Oxidation state of oxygen atom = -2
Evaluating the oxidation state of iron atom in [tex]Fe_2O_3[/tex]:
[tex]2x+3(-2)=0\\\\x=+3[/tex]
Hence, the correct answer is Option C.
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