Viết các đồng phân và gọi tên các ankan có CTPT: C6H14, C7H16.

Đáp án: 

- Ankan $C_6H_{14}$:

$CH_3-CH_2-CH_2-CH_2-CH_2-CH_3$: hexan 

$CH_3-CH(CH_3)-CH_2-CH_2-CH_3$: 2-metylpentan 

$CH_3-CH_2-CH(CH_3)-CH_2-CH_3$: 3-metylpentan 

$CH_3-CH(CH_3)-CH(CH_3)-CH_3$: 2,3-đimetylbutan 

$CH_3-C(CH_3)_2-CH_2-CH_3$: 2,2-đimetylbutan

- Ankan $C_7H_{16}$:

$CH_3-CH_2-CH_2-CH_2-CH_2-CH_2-CH_3$: heptan 

$CH_3-CH(CH_3)-CH_2-CH_2-CH_2-CH_3$: 2-metylhexan 

$CH_3-CH_2-CH(CH_3)-CH_2-CH_2-CH_3$: 3-metylhexan 

$CH_3-C(CH_3)_2-CH_2-CH_2-CH_3$: 2,2-đimetylpentan 

$CH_3-CH_2-C(CH_3)_2-CH_2-CH_3$: 3,3-đimetylpentan 

$CH_3-CH(CH_3)-CH(CH_3)-CH_2-CH_3$: 2,3-đimetylpentan

$CH_3-CH(CH_3)-CH_2-CH(CH_3)-CH_3$: 2,4-đimetylpentan 

$CH_3-CH_2-CH(C_2H_5)-CH_2-CH_3$: 3-etylpentan 

$CH_3-CH(CH_3)-C(CH_3)_2-CH_3$: 2,2,3-trimetylbutan