2CH3Cl+2Na->(t)C2H6+2NaCl
CH3Cl+Mg->(эфир)CH3-Mg-Cl
C2H6+Cl2->(свет)C2H5Cl+HCl
C2H5Cl+CH3-Mg-Cl->(эфир,t)C3H8+MgCl2
2CH3Cl+2Na->(t)C2H6+2NaCl
CH3Cl+Mg->(эфир)CH3-Mg-Cl
C2H6+Cl2->(свет)C2H5Cl+HCl
C2H5Cl+CH3-Mg-Cl->(эфир,t)C3H8+MgCl2