1)C4H10=CH4+C3H6 2)C4H10+Cl2=C4H9Cl+HCl 3)CH4+Cl2=CH3Cl+HCL 4)C4H9Cl+2Na+Cl-CH3=C5H12+2NaCl 5)C5H12+Cl2=C5H11Cl+HCl Можно и покороче: 1)C4H10+Cl2=C4H9Cl+HCl 2)C4H9Cl+CH3-Mg-Cl=CC5H12+MgCl2 3)C5H12+Cl2=C5H11Cl+HCl