Formula generala derivat halogenat nesaturat: CnH2n-1Cl
Masa molara a acestuia: 12n+2n-1+35.5=14n+34.5
Daca in 14n+34.5 .................. sunt 35.5 g Cl
Si la 100 g .............................46.4 g Cl (continut de 46.4% Cl)
Afli n care iti da formula: n=3 deci C3H2×3-1Cl=C3H5Cl cloro propena
