
Given the following two half-reactions, CIO3 +64 +6H+ = Clº + 3H20 HOCI + 2e +H+...
Consider the following redox reaction 3 502 + 3 H2O + CIO3 3 8042- + 6H+ + cr The reduction half-reaction is CIO3+ + 6H - CH + 3 H20 + 6 e OCIO3+ + 6H+ + 6 e - cr + 3 H20 SO2 + 2 H20 SO42- + 4H+ + 2e- SO2 + 2H20 + 2 e 5042- + 4H+
Classify the half-reactions as reduction half-reactions or oxidation half-reactions. H(g)2 H (aq) +2e Answer Bank 0, (8)+2H (aq)+2e H,O(g) oxidation reduction Cd(s)+20H (aq) Cd(OH), (s) + 2 e 2 NiO (OH)(s)+2H,O(1)+2 e 2 Ni(OH), (s)+ 2 OH (aq) Fe(s)Fe (aq) +2 e
0. (Bonus 2 points) Given the Eº for the following half-reactions: Cut + e → Cu° Eºred = 0.52 V Cu2+ + 2e → Cu° Eºred = 0.34 V What is Eº for the reaction: Cut → Cu2+ + e? Show your work. (Hint: It is not as simple as problem 2. You may want to start from the definition of standard voltage)
Given the following two half reactions, Cd(aq)
+ 2e
→ Cd(s) E° = -0.40 V 2 Ag(aq)
+ 2e
→ 2 Ag(s) E° = 0.80 V determine E° and the spontaneity of the
following reaction: 2 Ag(aq)
+ Cd(s) → 2 Ag(s) + Cd(aq)
Given these balanced half-reactions 3H2O+I^- ---> IO_3^- +6H^+ +6e^- Cl_2+2e^- ---> 2Cl^- enter the overall balanced redox reaction. Do not include phases in your answer. Enter your answer as a chemical equation.
Given these balanced half-reactions 3H2O+I??IO3?+6H++6e? Cl2+2e??2Cl? enter the overall balanced redox reaction in an acidic solution.
The following two half-reactions are found in a table of standard reduction potentials: Half-Reaction E cytochrome c1(Fe3+) +e- → cytochrome c1 (Fe2+) 0.22 V lipoic acid + 2 H+ + 2 e- → dihydrolipoic acid -0.29 V + What is value of Eº for the reaction that will occur involving these two half-reactions that will be spontaneous under standard conditions? 0 0.73 V 0 0.07 V O 0.51 V -0.07 V
4. Consider the following reactions: Table 2. 2 CIO" (aq) + 4* (aq) + 2e → A ) + 2 H20() 2 CIO3(aq) +12 H(aq) + 10 - A ) + 6H2O() Cl() +2e" 20"(aq) 2 Co (aq) + 4H+ (aq) + 4 + 2 co(aq) + 2 H20(0) 2 Clo; (aq) + 4H* (aq) + 4e-2003(aq) + 2 H20) 2 C103(aq) + 4H+ (aq) + 4e - 2 C10(aq) + 2 H2O() E .163 E=147 E=136 E 1194 E=115...
Write balanced half-reactions for the following redox reaction: Bio, ()+6H (aa)+Zn(s) Bi (e0)+3 H,o0+Zn (aa) 0 reduction: oxidation: 0
A galvanic cell is based on the following half-reactions: Fe2+ + 2e-→ Fe(s) Eº = -0.440 V 2H+ + 2e-→ H2(g) Eº = 0.000 V where the iron compartment contains an iron electrode and [Fe2+] = 1.00 × 10-3 M and the hydrogen compartment contains a platinum electrode, PH2 = 1.00 atm , and a weak acid, HA, at an initial concentration of 1.00 M. If the observed cell potential is 0.320 V at 25ºC, calculate the Ka value for...