Đáp án: C6H12 có tổng cộng 17 đồng phân, trong đó:
-Có 13 đồng phân cấu tạo:
(1)CH2= CH–CH2–CH2–CH2–CH3 hex – 1 – en
(2)CH3–CH=CH–CH2–CH2–CH3 hex – 2 – en
(3)CH3–CH2–CH=CH–CH2–CH3 hex – 3 – en
(4)CH2=C(CH3)-CH2-CH2-CH3 2 – metylpent – 1 – en
(5)CH2=CH-CH(CH3)-CH2-CH3 3 – metylpent – 1 – en
(6)CH2=CH-CH2-CH(CH3)-CH3 4 – metylpent – 1 – en
(7)CH3-C(CH3)=CH-CH2-CH3 2 – metylpent – 2 – en
(8)CH3-CH=C(CH3)-CH2-CH3 3 – metylpent – 2 – en
(9)CH3-CH=CH-CH(CH3)-CH3 4 – metylpent – 2 – en
(10)CH2=C(CH3)-CH(CH3)-CH3 2,3 – đimetylbut – 1 – en
(11)CH3-C(CH3)=C(CH3)-CH3 2, 3 – đimetylbut – 2 – en
(12)CH2=CH-C(CH3CH3)-CH3 3,3 – đimetylbut – 1 – en
(13)CH2=C(C2H5)-CH2-CH3 2 – etylbut – 1 – en
-Có 4 đồng phân hình học:
+ Hex – 2 – en
+ Hex – 3 – en
+ 3 – metylpent – 2 – en
+ 4 – metylpent – 2 – en
Xin hay nhất ạ
