Determine which of the following pairs of reactants will result in a spontaneous reaction at 25°C. A) Pb²⁺(aq) + Au(s) B) Ag⁺(aq) + Br⁻(aq) C) Na⁺(aq) + Al(s) D) Fe³⁺(aq) + Al(s) E) None of the above pairs will react.

Question

Quizplus · Accepted Answer

The reaction between Fe³⁺(aq) and Al(s) is spontaneous because aluminum is more reactive and can reduce Fe³⁺ to Fe, while itself getting oxidized to Al³⁺.

Determine Which of the Following Pairs of Reactants Will Result