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
