n =2CH3OCH3 (二)甲(基)醚
n=3CH3OCH2CH3甲(基)乙(基)醚
n=4CH3CH2OCH2CH3 乙醚
CH3OCH2CH2CH3 甲丙醚
CH3OCH(CH3)2 甲異丙醚
··············謝謝您，我問錯了n=5-8 您再幫個忙！n=5 CH3CH2OCH2CH2CH3乙丙醚 CH3CH2OCH(CH3)2 乙異丙醚CH3OC4H9 有四種,原因是C4H9 - 有四種 (正丁基 CH3CH2CH2CH2-\異丁基(CH3)2CHCH2- \ 仲丁基CH3CH3(CH3)CH- \叔丁基(CH3)3C- )n=6 CH3OC5H11有八種,相當于C5H12三種異構體共有8種氫原子被CH3O取代 CH3CH2OC4H9 有四種,相當于C4H10兩種異構體共有4種氫原子被CH3CH2O取代CH3CH2CH2OCH2CH2CH3 丙醚 (CH3)2CHOCH(CH3)2異丙醚CH3CH2CH2OCH(CH3)2 丙異丙醚n=7CH3OC6H13有17種,相當于C6H14五種異構體共有17種氫原子被CH3O取代CH3CH2OC5H11 有8種,相當于C5H12三種異構體共有8種氫原子被CH3CH2O取代 C3H7OC4H9有8種,C3H7-有2種,C4H9-有4種n=8CH3OC7H15有39種,因為C7H16有9種異構體,氫原子種類就有39種CH3CH2OC6H13有17種,相當于C6H14五種異構體共有17種氫原子被CH3CH2O取代C3H7OC5H11有16種,C3H7-有2種,C5H11-有8種C4H9OC4H9兩邊同種烴基有四種,不同種的有6種