POSTLAB 1. Compare your data with that of the class, and discuss. 2. Balance the following redox equations: CrO2 +...
Balance the following redox equations by the ion-electron method: (a) H2O2 + Fe2+ → Fe3+ + H2O (in acidic solution) (b) Cu + HNO3 → Cu2+ + NO + H2O (in acidic solution) (c) CN− + MnO4− → CNO− + MnO2 (in basic solution)
balance pls show work its just to check HW12 Balance the following redox in acidic/basic medium MnO- + Fe2+ → Mn2+ + Fe3+ (acidic) Cr2O72- + C,H-OH → Cr3+ + CO2 (acidic) Ag + CN- + 02 → Ag(CN)2- (basic) Cr2O72- + S032– → Cr3+ + SO42- (acidic) C1,02 + H2O2 → C102 +02 (basic) MnO4 + C H204 → Mn2+ + CO2 (acidic) Sn + NO3- → SnC162- + NO2 (basic)
Chem101 Lab - Copper Chemistry Balance the redox reactions below: 1) Mno. (aq) + Fe2+ (aq) - Fe3+ (aq) + Mn2+ (aq) in acidic condition 2) Cr20,2-(aq) +-(aq) Cr3+ (aq) + 12 (s) in acidic condition 3) Ni2+ (aq) + S20,2- (aq) → Ni02(s) + S0,- (aq) in basic condition 4) Al(s) + Br03(aq) ALO2(aq) + Br-(aq) in basic condition
Balance the following redox equations by the half-reaction method: (a) Mn2+ + H2O2 → MnO2 + H2O (in basic solution) (b) Bi(OH)3 + SnO22− → SnO32− + Bi (in basic solution) (c) Cr2O72− + C2O42− → Cr3+ + CO2 (in acidic solution) (d) ClO3− + Cl− → Cl2 + ClO2 (in acidic solution) (e) Mn2+ + BiO3− → Bi3+ + MnO4− (in acidic solution)
2. Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): MnO (s) + PbO2 (s) → MnO,- + Pb2+ (b) (acid solution): MnO4 + Mn2+ → MnO2 (s) (c) (basic solution): Al (8) + OH → Al(OH) - + H2(g)
Balance the following redox equations: CrO_4^2- + Fe^2+ rightarrow Cr^3+ + Fe^3+ (in acidic solution) MnO^4^- + CIO_2^- rightarrow MnO^2 + CIO_4^- (in basic solution)
1. Balance the following reaction in acidic solution. I-(aq) + MnO4-(aq) Mn2+(aq) + I2(s) 2. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: Zn(s) + NO3-(aq) à NH3 (aq) + Zn(OH)42- (aq) 3. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: MnO4-(aq) + C2H5OH(aq) à Mn2+(aq) + HC2H3O2 (aq)
Balance the following Redox Equations in Basic Mediums. Redox Reactions in Basic Solution 1. Al(s) + MnO4¯ (aq) ¾® MnO2(s) + Al(OH)4¯ (aq) 2. NO2¯ (aq) + Al(s) ¾® NH3(aq) + AlO2¯ (aq) 3. Cr(s) + CrO42-(aq) ¾® Cr(OH)3(s) Note: Cr(OH)3 is found in BOTH half reactions! 4. Cl2(aq) + Br2(l) ¾® OBr¯ (aq) + Cl¯ (aq) 5. S8(aq) + MnO4¯ (aq) ¾® SO42-(aq) + MnO2(s)
1 Write the balanced half reactions of the following reactions: a. NiO2 + 2 H20+ Fe >Ni (OH)2 + Fe(OH)2 in basic solution b. CO2 + 2 NH2OHCO + N2 + 3 H2O in basic solution c. 2 H+ + H202 +2 Fe2+2 Fe3+ + 2 H2O in acidic solution d. H+ + 2 H2O + 2 MnO4 + 5 SO2 → Mn2+ + 5 HSO4 in acidic solution