Gọi tên đồng phân của ankin C8H14? Ankin C8H14 có bao nhiêu đồng phân?

Dạng mạch thẳng:

\(CH \equiv C - C{H_2} - C{H_2} - C{H_2} - C{H_2} - C{H_2} - C{H_3}\) oct-1-in

\(C{H_3} - C \equiv C - C{H_2} - C{H_2} - C{H_2} - C{H_2} - C{H_3}\) oct-2-in

\(C{H_3} - C{H_2} - C \equiv C - C{H_2} - C{H_2} - C{H_2} - C{H_3}\) oct-3-in

\(C{H_3} - C{H_2} - C{H_2} - C \equiv C - C{H_2} - C{H_2} - C{H_3}\) oct-4-in

Dạng 1 nhánh metyl:

\(C{H_3} - C(C{H_3}) - C \equiv C - C{H_2} - C{H_2} - C{H_3}\) 2-metylhept-3-in.

\(C{H_3} - C(C{H_3}) - C{H_2} - C \equiv C - C{H_2} - C{H_3}\) 6-metylhept-3-in

\(C{H_3} - C(C{H_3}) - C{H_2} - C{H_2} - C \equiv C - C{H_3}\) 6-metylhept-2-in

\(C{H_3} - C(C{H_3}) - C{H_2} - C{H_2} - C{H_2} - C \equiv CH\) 6-metylhept-1-in

\(CH \equiv C - CH(C{H_3}) - C{H_2} - C{H_2} - C{H_2} - C{H_3}\) 3-metylhept-1-in

\(C{H_3} - C{H_2} - CH(C{H_3}) - C \equiv C - C{H_2} - C{H_3}\) 5-metylhelpt-3-in

\(C{H_3} - C{H_2} - CH(C{H_3}) - C{H_2} - C \equiv C - C{H_3}\) 5-metylhept-2-in

\(C{H_3} - C{H_2} - CH(C{H_3}) - C{H_2} - C{H_2} - C \equiv CH\) 5-metylhept-1-in

\(CH \equiv C - C{H_2} - CH(C{H_3}) - C{H_2} - C{H_2} - C{H_3}\) 4-metylhept-1-in

\(C{H_3} - C \equiv C - CH(C{H_3}) - C{H_2} - C{H_2} - C{H_3}\) 4-metylhept-2-in

Dạng 1 nhánh etyl.

\(CH \equiv C - CH({C_2}{H_5}) - C{H_2} - C{H_2} - C{H_3}\) 3-etyl-hex-1-in

\(C{H_3} - C{H_2} - CH({C_2}{H_5}) - C \equiv C - C{H_3}\) 4-etylhex-2-in

\(C{H_3} - C{H_2} - CH({C_2}{H_5}) - C{H_2} - C \equiv CH\) 4-etylhex-1-in

Dạng 2 nhánh metyl trên 1 C:

\(C{H_3} - C{(C{H_3})_2} - C \equiv C - C{H_2} - C{H_3}\) 2,2-dimetylhex-3-in

\(C{H_3} - C{(C{H_3})_2} - C{H_2} - C \equiv C - C{H_3}\) 5,5-dimetylhex-2-in

\(C{H_3} - C{(C{H_3})_2} - C{H_2} - C{H_2} - C \equiv CH\) 5,5-dimetylhex-1-in

\(CH \equiv C - C{(C{H_3})_2} - C{H_2} - C{H_2} - C{H_3}\) 3,3-dimetylhex-1-in

\(C{H_3} - C{H_2} - C{(C{H_3})_2} - C \equiv C - C{H_3}\) 4,4-dimetylhex-2-in

\(C{H_3} - C{H_2} - C{(C{H_3})_2} - C{H_2} - C \equiv CH\) 3,3-dimetylhex-1-in

Dạng 2 nhánh metyl trên 2 C khác nhau:

\(C{H_3} - CH(C{H_3}) - CH(C{H_3}) - C \equiv C - C{H_3}\) 4,5-dimetylhex-2-in

\(C{H_3} - CH(C{H_3}) - CH(C{H_3}) - C{H_2} - C \equiv CH\) 4,5-dimetylhex-1-in

\(C{H_3} - CH(C{H_3}) - C{H_2} - CH(C{H_3}) - C \equiv CH\) 3,5-dimetylhex-1in

\(C{H_3} - CH(C{H_3}) - C \equiv C - C(C{H_3}) - C{H_3}\) 2,5-dimetylhex-3-in

\(C{H_3} - C{H_2} - CH(C{H_3}) - CH(C{H_3}) - C \equiv CH\) 3,4-dimetylhex-1-in

Dạng một nhánh etyl và metyl.

\(CH \equiv C - C(C{H_3})({C_2}{H_5}) - C{H_2} - C{H_3}\) 3-etyl 3-metylpent-1-in

\(CH \equiv C - CH({C_2}{H_5}) - CH(C{H_3}) - C{H_3}\) 3-etyl 4-metylpent-1-in

Dạng nhánh từ 3 C trở lên sẽ bị đổi mạch chính nên trùng mấy cái trước.