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GK QUESTION#3189

Consider the reaction of heated iron with steam.

1. A gas is evolved during this reaction.

2. The evolved gas is methane.

Which statements are correct?

  1. A1 onlyCorrect answer
  2. B2 only
  3. CBoth 1 and 2
  4. DNeither 1 nor 2
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Answer

A. 1 only

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Explanation

Heated iron reacts with steam to form magnetite and hydrogen: 3Fe + 4H₂O → Fe₃O₄ + 4H₂. Hydrogen, not methane, is evolved. For the stated steam conditions, only statement 1 is true.

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