а) CH3–CH2OH t, H₂SO₄ ⟶ H2C=CH2 + H2O H2C=CH2 + Cl2 ⟶ CH2Cl–CH2Cl + 2NaOH ⟶ + 2NaCl б) CH3–CH2–CH2OH + HBr ⟶ CH3–CH2–CH2Br + H2O CH3–CH2–CH2Br + KOH C₂H₅OH ⟶ CH3–CH=CH2 + KBr + H2O CH3–CH=CH2 + [O] + H2O ⟶
а) CH3–CH2OH t, H₂SO₄ ⟶ H2C=CH2 + H2O H2C=CH2 + Cl2 ⟶ CH2Cl–CH2Cl + 2NaOH ⟶ + 2NaCl б) CH3–CH2–CH2OH + HBr ⟶ CH3–CH2–CH2Br + H2O CH3–CH2–CH2Br + KOH C₂H₅OH ⟶ CH3–CH=CH2 + KBr + H2O CH3–CH=CH2 + [O] + H2O ⟶