Which of the following reactions does not represent a commercial method for preparing hydrogen gas? A)C₃H₈(g)+ 3H₂O(g)→ 3CO(g)+ 7H₂(g) B)C(s)+ H₂O(g)→ CO(g)+ H₂(g) C)2NH₃(g)→ N₂(g)+ 3H₂(g) D)2H₂O(l)→ 2H₂(g)+ O₂(g) E)CO(g)+ H₂O(g)→ CO₂(g)+ H₂(g)

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The reaction 2NH3(g) → N2(g) + 3H2(g) does not represent a commercial method for preparing hydrogen gas; it describes the decomposition of ammonia, which is not a primary industrial route for hydrogen production.

Which of the Following Reactions Does Not Represent a Commercial