The equation below represents the overall cell reaction for an electrochemical cell that undergoes a spontaneous reaction. fe(s) + pb2+(aq) mc011-1.jpg fe2+(aq) + pb(s) emc011-2.jpgcell = –0.31 v which reaction is the spontaneous reduction reaction? fe(s) mc011-3.jpg fe2+(aq) + 2e– emc011-4.jpg = –0.44 v fe(s) mc011-5.jpg fe2+(aq) + 2e– emc011-6.jpg = +0.44 v pb2+(aq) + 2e– mc011-7.jpg pb(s) emc011-8.jpg = –0.13 v pb2+(aq) + 2e– mc011-9.jpg pb(s) emc011-10.jpg = +0.13 v