Which of the Following Reactions Is a Good Small-Scale Laboratory

question 8

Multiple Choice

Which of the following reactions is a good small-scale laboratory method for preparation of hydrogen?

• A) CH₄(g) + H₂O(g)  CO(g) + 3H₂(g)
• B) 3FeCl₂(s) + 4H₂O(g)  Fe₃O₄(s) + 6HCl(g) + H₂(g)
• C) NaH(s) + H₂O(l)  NaOH(aq) + H₂(g)
• D) CO(g) + H₂O (g)  CO₂(g) + H₂(g)
• E) None of the above methods is useful.

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