Question

UU 15 - UU UL ut tu uve- 16.46 The half-cells Fe2+ (aq)|Fe(s) and O2(g)|H2O (in acid solution) are linked to create a voltaic cell. (a) Write equations for the oxidation and reduction half- reactions and for the overall cell reaction. (b) Which half-reaction occurs in the anode compart- ment and which occurs in the cathode compartment? (c) Complete the following sentences: Electrons in the external circuit flow from the — electrode to the electrode. Negative ions move in the salt bridge from the half-cell to the half-cell.

question 16.46

Answer 1

Page lu The halpells festa. I feca) and 0₂ (9)/120 l in aced) solution are linked to create a voltaic cell. - uute equations for the oxidation and reduction half reactions and for overall cell reaction. b) nehich hay reaction occurs at anode. Compartment and nelich occues in cathode compactment? In in At at for at process of oxidation é are lost venite reduction é are accepted cathode reduction occurs while anwele oxidation. The half cell reaction this cell are: cathode, O2(g) + 4H(aq.) +40 + 2 H₂O ( 1 ) at 2 fe2+ + 40 or simply anode 2 fees) & Kg - upy Pees Pels - fe capijt 26 Overall reaction a O₂(g) +4ntcaq.) the -) 2 H₂O10 2 Fe(s) - 26et faço) + 4e - A fecs) + 0.6g) tu*(n.) — Pfexor + 2 H, 0(0)

Date Page Complete the following sectorul. exectious in the external circuit flow from the negative (anode) eletrode to the positiup kathade) electrode. Negative ious noue en the salt bridge from the cathode half cell to the anode hall all. salt bridge Canode) -fe Cathode acid solution