The following is a redox reaction, which takes place in acidic solution: Fe(s)+HCl(aq)HFeCl4(aq)+H2(g) 35. The oxidation half-reaction is A) Fe3++3eFe (s) B) Fe2++2eFe(s) C) H2(g)2H++2e D) Fe(s)Fe3++3e 36. The reduction half-reaction is A) H2(g)2H++2e B) Fe(s)Fe3++30 C) 22H++2eH2(g) D) Fe3++3eiFe (s) 37. The oxidizing agent is A) Fe(s) B) HCl (aq) C) HFeCl4 (aq) D) H2(g) 38. The reducing agent is A) Fe(s) B) HCl (aq) C) HFeCl4 (aq) D) H2(g) 39. The total number of electrons transferred in the balanced redox reaction is A) 2 B) 3 C) 6 D) 9