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【題組】23. 不同結構的化合物會產生不同震爆情形,一般以辛烷值來定義表示,下列有關於辛烷值的敘述哪些錯誤?(應選3項)(A)辛烷值愈高,代表此燃料的熱值愈大 (B)通常標準值將異辛烷的辛烷值訂為10
問題詳情
【題組】
23. 不同結構的化合物會產生不同震爆情形,一般以辛烷值來定義表示,下列有關於辛烷值的敘述哪些錯誤?(應選3項)
(A)辛烷值愈高,代表此燃料的熱值愈大
(B)通常標準值將異辛烷的辛烷值訂為100
(C)此處所定義的異辛烷結構如圖,其IUPAC正確命名為2-甲基庚烷
(D)辛烷值95代表汽油中含有95% 的異辛烷
(E)辛烷值可以超過100
參考答案
答案:A,C,D
難度:適中0.666667
統計:A(3),B(1),C(3),D(2),E(0)
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