UNBALANCED REDOX REACTIONS1. VO2+ (aq) + Zn (s) ➝ VO2+ (aq) + Zn2+ (aq)
2. Ag (s) + NO3– (aq) ➝ NO2 (g) + Ag+ (aq) 3. MnO4– (aq) + HSO3– (aq) ➝ Mn2+ (aq) + SO42– (aq) 4. Zn (s) + NO3– (aq) ➝ Zn2+ (aq) + N2O (g) 5. Cr (s) + NO3– (aq) ➝ Cr3+ (aq) + NO (g) 6. Al (s) + OH– (aq) ➝ Al(OH)4– (aq) + H2 (g) 7. CrO42– (aq) + SO32– (aq) ➝ Cr(OH)3 (s) + SO42– (aq) 8. Zn (s) + Cu(OH)2 (s) ➝ Zn(OH)42– (aq) + Cu (s) 9. HS– (aq) + ClO3– (aq) ➝ S (s) + Cl– (aq) 10. NiO2 (s) + Zn (s) ➝ Ni(OH)2 (s) + Zn(OH)2 (s) 11. MnO4– + H2SO3 + H+ ➝ Mn2+ + HSO4– + H2O 12. Cr2O72– + H+ + I– ➝ Cr3+ + I2 + H2O 13. As2O3 + H+ + NO3– + H2O ➝ H3AsO4 + NO 14. I2 + H2SO3 + H2O ➝ I– + HSO4– + H+ 15. H3AsO4 + Zn ➝ AsH3 + Zn2+ 16. MnO42– + H+ ➝ MnO4– + MnO2 17. MnO4– + SO2 ➝ Mn2+ + SO42– + H+ 18. HgS + Cl– + NO3– ➝ HgCl42– + S + NO 19. NH3 + O2 ➝ NO + H2O 20. NO2 + OH– ➝ NO2– + NO3– 21. H2O2 + Co(OH)2 ➝ Co2O3 + H2O 22. Cu(NH3)42+ + CN– ➝ CNO– + Cu(CN)32– + NH3 23. ClO– + Mn(OH)2 ➝ MnO2 + Cl– |
PENCAST SOLUTIONS |
CREDITPencast solutions by
Mr Lewin's Grade 12 Chemistry class at St Paul's High School. |