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Question
Which of the following statements about the given reaction are correct?
`3"Fe"("s") + 4"H"_2"O"("g") -> "Fe"_3"O"_4("s") + 4"H"_2("g")`
- Iron metal is getting oxidised
- Water is getting reduced
- Water is acting as reducing agent
- Water is acting as oxidising agent
Options
(i), (ii) and (iii)
(iii) and (iv)
(i), (ii) and (iv)
(ii) and (iv)
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Solution
(i), (ii) and (iv)
Explanation -
In the following reaction, `3"Fe"("s") + 4"H"_2"O"("g") -> "Fe"_3"O"_4("s") + 4"H"_2("g")`
As the addition of oxygen is called oxidation and removal of oxygen is known as reduction so, Fe is getting oxidised to Fe3O4 , at the same time H2O is getting reduced to H2.
In a redox reaction, the reactant causing the oxidation of other reactant is called as an oxidising agent since H2O is causing the oxidation of Fe, therefore H2O is the oxidising agent.
Hence, the correct answer is option 3.
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