Объяснение:
1)CH3-CH2-CH2Cl+KOH=CH3-CH=CH2+KBr+H2O
CH3-CH=CH2+Br2=CH3-CHBr-CH2Br
CH3-CHBr-CH2Br+ 2KOH=CH3-C=-CH +2KBr+2H2O
CH3-C-=CH +H2O= CH3-CO-CH3
2)CH2=CH-CH2-CH3+Br2=CH2Br-CHBr-CH2-CH3
CH2Br-CHBr-CH2-CH3+2KOH=CH=-C-CH2-CH3 +2KBr +2H2O
CH=-C-CH2-CH3+ NaNH2= NaC=-C-CH2-CH3+NH3
NaC=-C-CH2-CH3+CH3I = CH3-C=-C-CH2-CH3 +NaI
3)CH2Br-CH2-CH2-CH3 +KOH=CH2=CH-CH2-CH3+KBr+H2O
CH2=CH-CH2-CH3+Br2=CH2Br-CHBr-CH2-CH3
CH2Br-CHBr-CH2-CH3+2KOH=CH=-C-CH2-CH3 +KBr+H2O
2CH=-C-CH2-CH3 +Ag2O=2CAg=-C-CH2-CH3 +H2O
CAg=-C-CH2-CH3+C2H5Br=C2H5-C=-C-CH2-CH3 +AgBr
Цепочка №1.
₁ ₂ ₃ ₄
Mg → MgO → MgCO₃ → MgCl₂ → Mg(OH)₃
1. 2Mg + O₂ = 2MgO
2. MgO + H₂CO₃ = MgCO₃ + H₂O
3. MgCO₃ + 2HF = MgF₂ ↓ + CO₂ ↑ + H₂O
4. MgCl₂ + 2KOH = Mg(OH)₂ + 2KCl
Цепочка №2.
₁ ₂ ₃ ₄
Mg → MgCl₂ → MgCO₃ → MgO → MgCl₂
1. Mg + 2HCl = MgCl₂ + H₂↑
2. MgCl₂ + Na₂CO₃ = MgCO₃ + 2NaCl
t
3. MgCO₃ = MgO + CO₂
4. MgO + 2HCl = MgCl₂ + H₂O
Цепочка №3.
₁ ₂ ₃ ₄
Cr₂O₃ → Cr → CrCl₃ → Cr(OH)₃ → Cr₂(SO₄)₃
1. Cr₂O₃ + 2Al = Al₂O₃ + 2Cr
2. 2Сr + 6HCl = 2CrCl₃ + 3H₂
3. CrCl₃ + 3NaOH = 3NaCl + Cr(OH)₃
4. 2Cr(OH)₃ + 3H₂SO₄ = Cr₂(SO₄)₃ + 6H₂O
Цепочка №4.
₁ ₂ ₃
ZnS → ZnO → Zn(NO₃)₂ → ZnO
1. 2 ZnS + 3 O₂ = 2ZnO + 2 SO₂
2. ZnO + 2HNO₃ = Zn(NO₃)₂ + H₂O
t
3. 2Zn(NO₃)₂ = 2ZnO + 4NO₂ + O₂
Цепочка №5.
₁ ₂ ₃ ₄
Al → Al(OH)₃ → Al₂O₃ → AlCl₃ → Al(NO₃)₃
1. 2Al + 6H₂O = 2Al(OH)₃ + 3H₂
t
2. 2Al(OH)₃ = Al₂O₃ + 3H₂O
3. Al₂O₃ + 6HCl = 2AlCl₃ + 3H₂O
4. AlCl₃ + 3NaOH = Al(OH)₃ + 3NaCl
Объяснение:
1)CH3-CH2-CH2Cl+KOH=CH3-CH=CH2+KBr+H2O
CH3-CH=CH2+Br2=CH3-CHBr-CH2Br
CH3-CHBr-CH2Br+ 2KOH=CH3-C=-CH +2KBr+2H2O
CH3-C-=CH +H2O= CH3-CO-CH3
2)CH2=CH-CH2-CH3+Br2=CH2Br-CHBr-CH2-CH3
CH2Br-CHBr-CH2-CH3+2KOH=CH=-C-CH2-CH3 +2KBr +2H2O
CH=-C-CH2-CH3+ NaNH2= NaC=-C-CH2-CH3+NH3
NaC=-C-CH2-CH3+CH3I = CH3-C=-C-CH2-CH3 +NaI
3)CH2Br-CH2-CH2-CH3 +KOH=CH2=CH-CH2-CH3+KBr+H2O
CH2=CH-CH2-CH3+Br2=CH2Br-CHBr-CH2-CH3
CH2Br-CHBr-CH2-CH3+2KOH=CH=-C-CH2-CH3 +KBr+H2O
2CH=-C-CH2-CH3 +Ag2O=2CAg=-C-CH2-CH3 +H2O
CAg=-C-CH2-CH3+C2H5Br=C2H5-C=-C-CH2-CH3 +AgBr