Which of the following reaction represents the action of steam on heated iron?

3 F e + 4 H_{2} O \to F e_{3} O_{4} + 4 H_{2}

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2 F e + 3 H_{2} O \to F e_{2} O_{3} + 3 H_{2}

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F e + H_{2} O \to F e O + H_{2}

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2 F e + H_{2} O + O_{2} \to F e_{2} O_{3} + H_{2}

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Solution

The correct option is A $3 F e + 4 H_{2} O \to F e_{3} O_{4} + 4 H_{2}$
When steam is passed over a red hot iron to form the ferric oxide and hydrogen gas is released.

The action of steam on heated iron is represented as follows:

$3 F e + 4 H_{2} O \to F e_{3} O_{4} + 4 H_{2}$

Hence, option A is the correct answer.

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Similar questions

18g of steam is passed over 2g of Iron. $H_{2} O + F e \to H_{2} + F e_{2} O_{3}$ Which is the excessive reagent? [Fe = 55.85g]

2 F e + \frac{3}{2} O_{2} \to F e_{2} O_{3}; x k J / m o l

2 F e + O_{2} \to 2 F e O; y k J / m o l

Δ H

F e_{3} O_{4}

O_{2}

F e_{2} O_{3} + 3 C Δ \to 2 F e +

(F e_{3} O_{4})

8 g

F e = 56

F e + H_{2} O \to F e_{3} O_{4} + 4 H_{2}

In which of the following reaction $F e_{2} O_{3}$ /Cr catalyst is used?

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