1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) HSO3- (aq)...
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) BiO;- (aq) → BIO+ (aq) (ii) (acid solution) C002 (s) → Co2+ (aq) (iii) (base solution) Cr(OH).- (aq) → CrO2- (aq) (iv) (base solution) TeO 2- (aq) → H.Te0.2- (aq) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reaction.
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) NO3- (aq) + N2O (g) (ii) (acid solution) Fe042- (aq) + Fe3+ (aq) (iii) (base solution) Fe203 () → Fe(OH)2 (S) (iv) (base solution) Cu20 (s) + Cu(OH)2 (S) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reaction.
(a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) Cl– (aq) → ClO3– (aq) (ii) (acid solution) MoO3 (s) → Mo (s) (iii) (base solution) P4 (s) → H2PO2– (aq) (iv) (base solution) Se (s) → SeO32– (aq) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reaction.
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) NO2(g) → NO,- (aq) (ii) (acid solution) H SeO(aq) → Se (s) (iii) (base solution) P (8) PH, (g) (iv) (base solution) Co(OH)(s) C002 () (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reaction.
1. (a) Balance the following half-reactions by the ion-electron half-reaction method: (i) (acid solution) NO2 (g) → NO3 – (aq) (ii) (acid solution) H2SeO3 (aq) → Se (s) (iii) (base solution) P4 (s) → PH3 (g) (iv) (base solution) Co(OH)3 (s) → CoO2 (s) (b) Which of the above equations are oxidation half-reactions? (c) Give the formulas of the reactants that become oxidized in the course of the reaction.
Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): VŽ+ + V(OH). - VO2 (b) (acid solution): C 02 + MnO - CO2(g) + Mn (c) (basic solution): Cr(OH), (s) + H2O2 → CrO
3. Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): Cr0(aq) + U" (aq) → Cr" (aq) +UO; (aq) (b) (acid solution): Cr(s) + O2(g) → Cr* (aq) (C) (basic solution): P. (s) + OH' (aq) → PH; (g) + H2PO2 (aq)
Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): MnO2 (s) + Cl → Mn2+ + Cl2 (g) (b) (acid solution): NaBiO; (s) + Ce3+ BiO+ + Ce4+ + Na+ (c) (basic solution): Fe(OH)2 (s) + CrO42- → Fe,0, (s) + Cr(OH)4
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)
1. Balance the following redox reaction using the method of half-reactions (also called the ion-electron method). Mn2+ (aq) + NaBiO3 (s) → Bi3+ (aq) + MnO4- (aq) + Na+ (aq) 2. Balance the following reaction is basic media. (remember you should have no H+ ions in your final reaction.) Pb(OH)42- (aq) + ClO- (aq) → PbO2 (s) + Cl- (aq)