Which of the following is an indication that aluminum is a strong reducing agent? A) 2 Al(s) + 6 H+(aq) → 2 Al₃+(aq) + 3 H₂(g) B) 2 Al(s) + Fe₂O₃(s) → Al₂O₃(s) + 2 Fe(l) C) 2 Al(s) + 3/2 O₂(g) → Al₂O₃(s) ΔH = -1676 kJ D) 2 Al(s) + 2 OH^- + 6 H₂O(l) → 2 [Al(OH)₄]^-(aq) + 3 H₂(g) E) All of these reactions indicate Al is a strong reducing agent.

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All of the given reactions involve aluminum acting as a reducing agent, meaning it is causing another species to gain electrons and undergo reduction. Therefore, all of the reactions are indications that aluminum is a strong reducing agent.

Which of the Following Is an Indication That Aluminum Is