Academic help online Posted on October 20, 2016 All the following are oxidation-reduction reactions except A) H2(g) + F2 ? 2HF(g)B) Ca(s) + H2(g) ? CaH2(s)C) 2K(s) + 2H2O(l) ? 2KOH(aq) + H2(g)D) 6Li(s) + N2(g) ? 2Li3N(s)E) Mg3N2(s)+ 6H2O(l) ? 3Mg(OH)2(s) + 2NH3(g)