C2иC3 пожалуйста!!!!!!!
C2. C2H6+Cl2=C2H5Ci+HCl 2C2H5Cl+2Na=C4H10+2NaCl C4H10=H3C-CH-CH3 (AlCl3) | CH3 C3. Cl-CH2-CH2-CH2-Cl+2Na= CH2 +2NaCl / \ H2C-CH2 C3H6+H2=C3H8 C3H8+Cl2=C3H7Cl+HCl