Pt chuoi hoa 9-jk1-2019
Chia sẻ bởi Lưu Bình Giang |
Ngày 26/04/2019 |
35
Chia sẻ tài liệu: pt chuoi hoa 9-jk1-2019 thuộc Hóa học 9
Nội dung tài liệu:
Câu 1: (2 điểm ) Hoàn thành chuỗi biến hóa sau:
Fe (1) FeCl3 (2) Fe(OH)3 (3) Fe2O3 (4) Fe2(SO4)3
(1) 2 Fe + 3 Cl2 t0 2 FeCl3
(2) FeCl3 +3KOH → Fe(OH)3 ↓+ 3 KCl
(3) 2 Fe(OH)3 t0 Fe2O3 + 3 H2O
(4) Fe2O3 + 3 H2SO4 → Fe2(SO4)3 + 3 H2O
Al(OH)3 Al2O3 Al Al2(SO4)3 AlCl3.
2Al(OH)3
Al2O3
+
3H2O
2Al2O3
4Al
+
3O2
2Al
+
3H2SO4
Al2(SO4)3
+
3H2
Al2(SO4)3
+
3BaCl2
3BaSO4
+
2AlCl3
3/ Al AlCl3 Al (OH)3 Al2O3 Al(NO3)3 Al
2Al + 3Cl2 2AlCl3
AlCl3 + 3NaOH Al(OH)3 + 3NaCl
2Al(OH)3 Al2O3 + 3H2O
Al2O3 + 6HNO3 2Al(NO3)3 + 3H2O
2Al(NO3)3 + 3Mg 3Mg(NO3)2 + 2Al
4/ Fe FeCl3 Fe(OH)3 Fe2O3 Fe2(SO4)3
1) 2Fe + 3Cl2 2FeCl3
2) FeCl3 + 3NaOH Fe(OH)3 / +3 NaCl
3) 2Fe(OH)3 Fe2O3 + 3H2O
4) Fe2O3+ 3H2SO4 Fe2(SO4)3 + 3H2O
5/ CuO CuCl2 Cu(OH)2 CuO CuSO4 Cu(NO3)2 Cu
1. CuO + 2HCl ( CuCl2 + H2O
2. CuCl2 + 2NaOH ( Cu(OH)2 + 2NaCl
3. Cu(OH)2 ( CuO + H2O
4. CuO + H2SO4 ( CuSO4 + H2O
5. CuSO4 + Ba(NO3)2 ( Cu(NO3)2 + BaSO4
6. Fe + Cu(NO3)2 ( Fe(NO3)2 + Cu
6// Al (1) Al2(SO4)3 (2) Al(OH)3 (3) Al2O3 (4) Al
(1). 2 Al + 3 H2SO4 Al2(SO4)3 + 3 H2
(2). Al2(SO4)3 + 6 NaOH 2 Al(OH)3 + 3 Na2SO4
(3). 2 Al(OH)3 t0 Al2O3 + 3 H2O
(4). 2 Al2O3Đpnc; Criolit 4 Al + 3 O2
7// (1) FeCl2 (2) Fe(OH)2 (3) FeO
Fe
(4) FeCl3 (5) Fe(NO3)3 (6) Fe
1. Fer + 2HCldd ( FeCl2 dd + H2 k ( 0.5đ)
2. FeCl2 dd + 2NaOhdd ( Fe(OH)2 r + 2NaCldd ( 0.5đ)
3. Fe(OH)2 r ( FeOr + H2O l ( 0.5đ)
4. 2Fer + 3Cl2 k ( 2FeCl3 r ( 0.5đ)
5. FeCl3 dd + 3AgNO3 dd ( Fe(NO3)3 dd + 3AgClr ( 0.5đ)
6. 2Fe(NO3)3 dd + 3Znr ( 3Zn(NO3)2 dd + 2Fer 8//
Cu → CuO → CuSO4 → CuCl2 → Cu(OH)2
2Cu + O2 2CuO
CuO + H2SO4 CuSO4 + H2O
CuSO4 + BaCl2 CuCl2 + BaSO4
CuCl2 + 2NaOH Cu(OH)2 + 2NaCl
9
1)
2)
3)
4)
Câu 10:
C CO CO2 Ca(HCO3)2 CaCO3 CaCl2
NaHCO3
C + CO2 2CO
2CO + O2 2CO2
CaCO3 + CO2 + H2O Ca(HCO3)2
Ca(HCO3)2 CaCO3 + CO2 + H2O
CaCO3 + 2HCl CaCl2 + H2O + CO2
CO2 + NaOH NaHCO3
Câu 11:
MnO2 Cl2 FeCl3 NaCl Cl2 HCl
HClO
4HCl(đặc) + MnO2 MnCl2 + Cl2 + 2H2O
KClO3 + 6HCl (đ) KCl + 3Cl2 + 3H2O
(2) 2Fe + 3Cl2 2FeCl3 (3) FeCl3 + 3NaOH Fe(OH)3 + 3NaCl
(4) NaCl + H2O NaOH + Cl2
Fe (1) FeCl3 (2) Fe(OH)3 (3) Fe2O3 (4) Fe2(SO4)3
(1) 2 Fe + 3 Cl2 t0 2 FeCl3
(2) FeCl3 +3KOH → Fe(OH)3 ↓+ 3 KCl
(3) 2 Fe(OH)3 t0 Fe2O3 + 3 H2O
(4) Fe2O3 + 3 H2SO4 → Fe2(SO4)3 + 3 H2O
Al(OH)3 Al2O3 Al Al2(SO4)3 AlCl3.
2Al(OH)3
Al2O3
+
3H2O
2Al2O3
4Al
+
3O2
2Al
+
3H2SO4
Al2(SO4)3
+
3H2
Al2(SO4)3
+
3BaCl2
3BaSO4
+
2AlCl3
3/ Al AlCl3 Al (OH)3 Al2O3 Al(NO3)3 Al
2Al + 3Cl2 2AlCl3
AlCl3 + 3NaOH Al(OH)3 + 3NaCl
2Al(OH)3 Al2O3 + 3H2O
Al2O3 + 6HNO3 2Al(NO3)3 + 3H2O
2Al(NO3)3 + 3Mg 3Mg(NO3)2 + 2Al
4/ Fe FeCl3 Fe(OH)3 Fe2O3 Fe2(SO4)3
1) 2Fe + 3Cl2 2FeCl3
2) FeCl3 + 3NaOH Fe(OH)3 / +3 NaCl
3) 2Fe(OH)3 Fe2O3 + 3H2O
4) Fe2O3+ 3H2SO4 Fe2(SO4)3 + 3H2O
5/ CuO CuCl2 Cu(OH)2 CuO CuSO4 Cu(NO3)2 Cu
1. CuO + 2HCl ( CuCl2 + H2O
2. CuCl2 + 2NaOH ( Cu(OH)2 + 2NaCl
3. Cu(OH)2 ( CuO + H2O
4. CuO + H2SO4 ( CuSO4 + H2O
5. CuSO4 + Ba(NO3)2 ( Cu(NO3)2 + BaSO4
6. Fe + Cu(NO3)2 ( Fe(NO3)2 + Cu
6// Al (1) Al2(SO4)3 (2) Al(OH)3 (3) Al2O3 (4) Al
(1). 2 Al + 3 H2SO4 Al2(SO4)3 + 3 H2
(2). Al2(SO4)3 + 6 NaOH 2 Al(OH)3 + 3 Na2SO4
(3). 2 Al(OH)3 t0 Al2O3 + 3 H2O
(4). 2 Al2O3Đpnc; Criolit 4 Al + 3 O2
7// (1) FeCl2 (2) Fe(OH)2 (3) FeO
Fe
(4) FeCl3 (5) Fe(NO3)3 (6) Fe
1. Fer + 2HCldd ( FeCl2 dd + H2 k ( 0.5đ)
2. FeCl2 dd + 2NaOhdd ( Fe(OH)2 r + 2NaCldd ( 0.5đ)
3. Fe(OH)2 r ( FeOr + H2O l ( 0.5đ)
4. 2Fer + 3Cl2 k ( 2FeCl3 r ( 0.5đ)
5. FeCl3 dd + 3AgNO3 dd ( Fe(NO3)3 dd + 3AgClr ( 0.5đ)
6. 2Fe(NO3)3 dd + 3Znr ( 3Zn(NO3)2 dd + 2Fer 8//
Cu → CuO → CuSO4 → CuCl2 → Cu(OH)2
2Cu + O2 2CuO
CuO + H2SO4 CuSO4 + H2O
CuSO4 + BaCl2 CuCl2 + BaSO4
CuCl2 + 2NaOH Cu(OH)2 + 2NaCl
9
1)
2)
3)
4)
Câu 10:
C CO CO2 Ca(HCO3)2 CaCO3 CaCl2
NaHCO3
C + CO2 2CO
2CO + O2 2CO2
CaCO3 + CO2 + H2O Ca(HCO3)2
Ca(HCO3)2 CaCO3 + CO2 + H2O
CaCO3 + 2HCl CaCl2 + H2O + CO2
CO2 + NaOH NaHCO3
Câu 11:
MnO2 Cl2 FeCl3 NaCl Cl2 HCl
HClO
4HCl(đặc) + MnO2 MnCl2 + Cl2 + 2H2O
KClO3 + 6HCl (đ) KCl + 3Cl2 + 3H2O
(2) 2Fe + 3Cl2 2FeCl3 (3) FeCl3 + 3NaOH Fe(OH)3 + 3NaCl
(4) NaCl + H2O NaOH + Cl2
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