Oxi hóa khử { các bn giải hộ mik cụ thể nha, lập bán gì đó nữa nha} giúp mik nha
24. FexOy + HNO3 -> Fe(NO3)3 + NO + H2O
25. FexOy + HNO3 -> Fe(NO3)3 + NO2 + H2O
26. FexOy + H2SO4 -> Fe2(SO4)3 + NO2 + H2O
27. FeS + HNO3 -> Fe(NO3)3 + NO + H2O + H2SO4
28. FeS + HNO3 -> Fe(NO3)3 + NO2 + H2O + H2SO4
29. FeS2 + HNO3 -> Fe(NO3)3 + N2O + H2O + H2SO4
30. Cu2S + HNO3 -> Cu(NO3)2 + NO + H2O + CuSO4
31. CuFeS2 + HNO3 -> Cu(NO3)2 + Fe(NO3)3 + NO + H2O + H2SO4
32. HCl + KMnO4 -> KCl + MnCl2 + Cl2 + H2O
33. NO + K2Cr2O7 + H2SO4 -> HNO3 + K2SO4 + Cr2(SO4)3 + H2O
34. H2S + HClO3 -> HCl + H2SO4
24.
xFe+2y/x --------------> xFe+3 + (3x - 2y)e (x3)
N+ 5 + 3e -------------> N+2 (x(3x-2y))
=> 3xFe+2y/x + (3x-2y)N+5 -----> 3xFe+3 + (3x-2y)N+2
Vậy pư cân bằng như sau:
3FexOy + (12x - 2y)HNO3 ----> 3xFe(NO3)3 + (3x-2y)NO + (6x-y)H2O
25.
xFe+2y/x --------------> xFe+3 + (3x - 2y)e -----------------(x1)
N+ 5 + 1e -------------> N+4 ----------------------- (x(3x-2y))
=> xFe+2y/x + (3x-2y)N+5 -----> xFe+3 + (3x-2y)N+2
Vậy pư cân bằng như sau:
FexOy + (6x - 2y)HNO3 ----> xFe(NO3)3 + (3x-2y)NO2 + (3x-y)H2O