BÀI 22: SỰ ĐIỆN PHÂN SV: Lê Thị Hà Mssv: 38.201.024 GVHD: Cô Thái Hoài Minh
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- 1. BI 22: S IN PHN SV: L Th H Mssv: 38.201.024 GVHD: C Thi Hoi Minh
- 2. Ni dung I. ng dng ca s in phn II. Khi nim III. S in phn cc cht in li 1. in phn cht in li nng chy 2. in phn cht in li trong nc IV. Cng c
- 3. I. ng dng ca in phn
- 4. II. Khi nim 1. V d: in phn NaCl nng chy
- 5. Cl2 Na S IN PHN NNG CHY NaCl Catot bng thp Catot bng thp Anot bng than chLi thp hnh tr Na nng chy NaCl nng chy NaCl
- 6. II. Khi nim 1. V d: in phn NaCl nng chy NaCl Anot (+) Catot (-) 2 2 + 2 2+ + 2 2 Phng trnh in phn: 2 2 + 2
- 7. II. Khi nim 2. Khi nim S in phn l qu trnh oxi ha kh xy ra b mt cc in cc khi c dng in 1 chiu i qua cht in li nng chy hoc dung dch in li.
- 8. III. S in phn cc cht in li 1. in phn cht in li nng chy V d: in phn nng chy Al2O3, MgCl2. Al2O3 nng chy Anot (+) Catot (-) Al3+O2- Al3+ +3e Al 2O2- O2 + 4e
- 9. III. S in phn cc cht in li 2. in phn dung dch cht in li trong nc a) in phn dd CuSO4 vi cc in cc tr (graphit)
- 10. Graphit Graphit Anot Catot Cu2+ SO4 2- K in phn dd CuSO4 vi cc in cc tr
- 11. III. S in phn cc cht in li 2. in phn dung dch cht in li trong nc a) in phn dd CuSO4 vi cc in cc tr (graphit) Dd CuSO4 Anot (+) Catot (-) (H2O, SO4 2- ) (Cu2+, H2O) H2O O2 + 4H+ +4e Cu2++ 2e Cu Phng trnh in phn: uS4 + 2 + 2 + 2 4
- 12. III. S in phn cc cht in li 2. in phn dung dch cht in li trong nc a) in phn dd CuSO4 vi anot ng Dd CuSO4 Anot (+) Catot (-) (H2O, SO4 2- ) (Cu2+, H2O)
- 13. III. S in phn cc cht in li 2. in phn dung dch cht in li trong nc a) in phn dd CuSO4 vi anot ng (anot tan) Dd CuSO4 Anot (+) Catot (-) (H2O, SO4 2- ) (Cu2+, H2O) Cu Cu2+ + 2e Cu2+ + 2e Cu Phng trnh in phn: Cu(r) + Cu2+ (dd) Cu2+ (dd) + Cu(r) Anot Catot
- 14. IV. Cng c Bn cht qu trnh in phn: Qu trnh oxi ha kh. Anot (+): qu trnh oxi ha Catot (-): qu trnh kh
- 15. IV. Cng c Bi 1: Vit s in phn a) dung dch AgNO3. b) dung dch CuSO4. Lu th t nhng e anot (+) Anion khng cha oxi (Cl-, ) OH- H2O Anion c oxi (SO4 2-, NO3 -,
- 16. IV. Cng c Bi 1: cc m ca bnh in phn c cc ion: Cu2+, Ag+, Pb2+. Th t b kh ca cc ion trn l: a) Cu2+, Ag+, Pb2+. b) Pb2+, Ag+, Cu2+. c) Cu2+, Pb2+, Ag+. d) Ag+, Cu2+, Pb2+. Tic qu, sai ri
- 17. IV. Cng c Lu th t nhn electron catot: Ion kim loi yuH+Ion kim loi trung bnh H2O
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