Превратите С H3-CH3-›CH3-CH2CL-›CH2 = CH2-›CH3-CH2OH

СН3-СН3 + Сl2 -gt; CH3-CH2-Cl + HCl

CH3-CH2-Cl -gt; CH2=CH2 + HCl

CH2=CH2 + HOH -gt; CH3-CH2-OH