Which of the Following Is an Indication That Aluminum Is

Multiple Choice

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.