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Iron is found as Iron (III) oxide, why is it necessary to have the III after the iron Watch

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    Also please answer these question: Iron (III) oxide reacts with carbon to form iron what is the advantage of making Iron this way? Iron (III) reacts with aluminium, write a balanced equation for this reaction and how would you classify this reaction? Why is this reaction important? Iron is a metal what kind of bonding is present in iron? This is to for homework thsi is for revision as i can't answer these questions from this paper.
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    The III shows what the oxidation state for iron is (transition metal tend to have multiple oxidation numbers)
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    (Original post by Anonymous1502)
    Also please answer these question: Iron (III) oxide reacts with carbon to form iron what is the advantage of making Iron this way? Iron (III) reacts with aluminium, write a balanced equation for this reaction and how would you classify this reaction? Why is this reaction important? Iron is a metal what kind of bonding is present in iron? This is to for homework thsi is for revision as i can't answer these questions from this paper.
    For the follow-up questions:

    1. What are the products of the reaction between iron(III) oxide and carbon? (Try writing a balanced equation for it too!) Think about what this means about collecting the iron you produce.
    2. The reaction between iron(III) oxide and aluminium is a well-known thermite reaction. (But the classification is something else – look at the oxidation states of the various species involved.) It's useful because it produces iron and releases a lot of heat, so one use is for iron-based welding, as the wikipedia link says.
    3. What types of bonding do you know about? Which one will apply to iron?
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    Iron (III) Oxide and Aluminium is the thermite reaction but have a look at the oxidation number of each element.

    Fe2O3 + Al >>> 2Fe + 3AlO

    Fe has +3 before and 0 after
    Al has 0 before and +3 after
    O remains constant at -2

    Reduction AND Oxidation take place here meaning it is a REDOX reaction.

    "An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron."
 
 
 
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