1
answer
0
watching
98
views
17 Nov 2019
Which reactant in the following redox reaction undergoes reduction? 2MnO_4^- + 5H_2C_2O_4 + 6H 2Mn^2+ + 10CO_2 + 8H_2O a) MnO_4^- b) H_2C_2O_4 c) Mn^2+ d) CO_2 Give the line notation (schematic representation) for the following redox reaction: 8 H^+ + MnO_4^- + 5 Fe^2+ rightarrow 5 Fe^3+ + Mn^2+ + 4 H_2O a) Pt (s) | Fe^2+ (aq) || MnO_4^- (aq), H^+ (aq) | Pt (s) b) Pt (s) | Fe^2+ (aq), Fe^3+ (aq) || MnO_4^- (aq), Mn^2+ (aq), H^+ (aq) | Pt (s) c) Pt (s) | Fe^2+ (aq), Fe^3+ (aq), H^+ (aq) || MnO_4^- (aq), Mn^2+ (aq) | Pt (s) d) Pt (s) | MnO_4^- (aq), Mn^2+ (aq), H^+ (aq) || Fe^2+ (aq), Fe^3+ (aq) | Pt (s) The electrode potential is a) the potential of an electrode that can induce a redox reaction. b) The potential of an electrochemical cell in which a standard hydrogen electrode acts as the reference electrode on the left and the half-cell of interest is on the right. c) The potential of an electrochemical cell in which a standard hydrogen electrode acts as the reference electrode on the right and the half-cell of interest is on the left. d) The potential of an electrochemical cell that has reached the equilibrium.
Which reactant in the following redox reaction undergoes reduction? 2MnO_4^- + 5H_2C_2O_4 + 6H 2Mn^2+ + 10CO_2 + 8H_2O a) MnO_4^- b) H_2C_2O_4 c) Mn^2+ d) CO_2 Give the line notation (schematic representation) for the following redox reaction: 8 H^+ + MnO_4^- + 5 Fe^2+ rightarrow 5 Fe^3+ + Mn^2+ + 4 H_2O a) Pt (s) | Fe^2+ (aq) || MnO_4^- (aq), H^+ (aq) | Pt (s) b) Pt (s) | Fe^2+ (aq), Fe^3+ (aq) || MnO_4^- (aq), Mn^2+ (aq), H^+ (aq) | Pt (s) c) Pt (s) | Fe^2+ (aq), Fe^3+ (aq), H^+ (aq) || MnO_4^- (aq), Mn^2+ (aq) | Pt (s) d) Pt (s) | MnO_4^- (aq), Mn^2+ (aq), H^+ (aq) || Fe^2+ (aq), Fe^3+ (aq) | Pt (s) The electrode potential is a) the potential of an electrode that can induce a redox reaction. b) The potential of an electrochemical cell in which a standard hydrogen electrode acts as the reference electrode on the left and the half-cell of interest is on the right. c) The potential of an electrochemical cell in which a standard hydrogen electrode acts as the reference electrode on the right and the half-cell of interest is on the left. d) The potential of an electrochemical cell that has reached the equilibrium.
Hubert KochLv2
9 Jun 2019