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Similar to a molecular equation, which expresses compounds as molecules, an ionic equation is a chemical equation in which the electrolytes in aqueous solution are expressed as dissociated ions. Usually, this is a salt dissolved in water, where the ionic species are followed by (aq) in the equation to indicate they are in aqueous solution.
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All ionic substances are written as separate ions in solution
A redox reaction is a reaction when oxidation states (or numbers) change during reaction.
a. Elemental iron (Fe) : 0
b. Elemental oxygen : 0
c. One iron atom in : +3
d. One oxygen atom in : -2
Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.
Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.
In neutral ionic compound , the oxidation states are exchanged to give the molecular formula. Thus in iron has oxidation state of +3 and oxygen has oxidation state of -2.
For the reaction :
On reactant side:
Oxidation state of iron in elemental state = 0
Oxidation state of oxygen = 0
On product side:
Oxidation state of iron = +3
Oxidation state of oxygen = -2
If we look at the product side, we will notice that iron lost twelve electrons and oxygen gained twelve electrons.
Hence, we have 4Fe^3+ and 2O3^2- showing twelve electrons lost/gained.
The structure of a molecule affects how it interacts with other molecules
Explanation: A P E X got it right
the correct answer is A