When steam is passed over red hot iron we get which of the following products?

Ferric hydroxide and hydrogen

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Ferric oxide and hydrogen

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Ferrous hydroxide and hydrogen

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Ferrous oxide and hydrogen

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Solution

The correct option is C Ferric oxide and hydrogen
When steam is passed over red hot iron, ferric oxide and hydrogen is formed.

$3 F e + 4 H_{2} O ⟶ F e_{3} O_{4} + 4 H_{2}$
ferric Dihydrogen
oxide

The iron is oxidized to ferric oxide whereas the water is reduced to hydrogen.

Thus the correct answer is (B) Ferric oxide and hydrogen.

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