Elliescott12591 Elliescott12591 27-03-2024 Chemistry contestada Which pairs of species will spontaneously react? 1) 2H⁺ (aq) + 2e⁻ → H₂(s) 2) Sn²⁺ (aq) + 2e⁻ → Sn(s) 3) Cd²⁺ (aq) + 2e⁻ → Cd(s) 4) None of the above