a,Tu Etanol va cac chat vo co can thiet dieu che propin(khong qua 8 giai doan)
b,sap xep cac chat sau theo thu tu tang dan nhiet do soi va giai thich
$(CH3)_{4}C$ ;$ CH3(CH2)_{4}CH3 ; (CH3)_{2}CHCH(CH3)_{2} ; CH3(CH2)3CH2OH ; (CH3)_{2}C(OH)CH2CH3$
c,SO sanh su chon loc vi tri cua phan ung cong HBr voi moi chat sau:
$CF_{3}CH=CH2 ; BrCH=CH2 ; CH3-O-CH=CH-CH3$
d,Khi cho isobutilen vao dung dich HCl co hoa tan NaCl, CH3OH co the tao ra nhung hop chat gi? Giai thich?