CH3-CH3+CL2----->CH3-CH2CL+HCL
2CH3-CH2CL+2Na----->CH3-CH2-CH2-CH3+2NaCL
CH3-CH2-CH2-CH3+CL2----->CH3-CH2-CH2-CH2CL+HCL
CH3-CH2-CH2-CH2CL+KOH----->CH2=CH-CH2-CH3+KCL+H2O
CH2=CH-CH2-CH3+H2O----->CH2OH-CH2-CH2-CH3
CH2OH-CH2-CH2-CH3+CH3-CH2OH------>CH2=CH-CH2-CH3-O-CH3-CH2