第六章不饱与烃６－1命名下列各化合物。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔(2)也可命名为：３-（２—甲基丙基)环已烯6—2按要求比较反应活性.（１）Ｂ＞C＞A;（2）A＞B＞Ｃ＞Ｄ＞E；(3）A>C〉B〉Ｄ;(４）B〉A>Ｃ＞D．6-3将下列各组碳正离子按稳定性由大到小排列成序。（1)B→Ａ→C→D;(2)A→C→B。（3)C→D→Ｂ→Ａ6-4指出下列分子中各存在哪些类型得共轭体系？（１)、（3）与（4)都就是p-π共轭体系；(2）π－π与p-π共轭体系。（1)与（４)还有π-σ与p—σ超共轭。6-5下列各对结构式就是构造异构体系还就是共振结构关系?（１)构造异构体;(2）、（3）与（４）共振结构.6—6下列各组极限结构式,哪一个极限结构对共振杂化体得贡献较大?(1）B式（负电荷处在电负性较大得O上比处在Ｃ上稳定）；(2)Ｂ式（B式中所有原子均有完整得价电子层，而在A式中+Ｃ上没有完整得价电子层);（3)A式（A式得正离子为三级碳正离子，正电荷较分散)。6-7将下列烯烃按稳定性由大至小排列。稳定性由大至小顺序为：(2）→（4）→（１)→（3）反式烯烃比顺式烯烃稳定,内烯烃比端烯烃稳定,双键上取代基多得烯烃比取代基少得烯烃稳定。6-８查阅并比较（Ｚ)-2-丁烯与（E)－2-丁烯;(Z)-1，2—二氯乙烯与（E）—1，２-二氯乙烯得熔沸点、偶极矩，说明结构与熔沸点得关系。经查阅（见下表）,题中所给得二组顺反异构体中,Z型得皆有一定偶极矩,就是极性分子，分子间作用较大，因而沸点比E型得高；而E型得偶极矩为0，就是非极性分子,但对称性较好,有对称中心。熔点比Ｚ型得高。________________________6—９完成下列反应式，写出主要产物.CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔６—10用化学方法鉴别下列化合物。(1）（2）6—1１用≤Ｃ3得有机物为原料合成下列化合物。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔６-12用≤C５得有机物为原料合成下列化合物（无机试剂任选）。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔６—13写出下列反应得合理反应机理。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔6－14分子式为C7H１0得某开链烃A，可发生下列 反应：A经催化可生成３-乙基戊烷；Ａ与AgNO3/ＮH３溶液反应可产生白色沉淀；A在Pd/BａＳＯ4作用下吸收1molH２生成化合物B；可以与顺丁烯二酸酐反应生成化合物C.试推测Ａ,B与C得构造式.CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔6－15某化合物A得分子式为C5H8，在液ＮH３中与NaＮＨ２作用后，再与1-溴丙烷作用，生成分子式为C８H１4得化合物B；用KＭnO4氧化Ｂ得到分子式为C4H8O２得两种不同得酸C与Ｄ。A在HgSＯ4存在下与稀Ｈ2ＳO4作用,可得到酮Ｅ（Ｃ5H10O)。试写出A～Ｅ得构造式，并用反应式表示上述转变过程。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔6－1６ 写出下式中A~E各化合物得构造式。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔6－１7工业上主要有两种方法生产氯丁橡胶得单体2－氯丁二烯,分别为乙炔法与丁二烯氧化法。请查阅文献,对比分析这两种生产方法得特点并写出两种方法得各步反应式及其各步反应得类型。CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔乙炔法涉及反应:（1）乙炔二聚合;（2）共轭亲电加成反应.CH3-|||-(1) ((C{H)_(3))}_(2)CHC(H)_(2)-C=!=!= C(H)_(2)-|||-CH2CH(CH3))2-|||-(2)-|||-3- 异丁基环已烯-|||-H-|||-H =C(H)_(2)-|||-(3) =(c)^3-|||-5.-|||-H3C H-|||-(E) -1,3-1 戊二烯-|||-2,4- 二甲基 -1-1 戊烯-|||-4 3-|||-(4) H3C. 2-|||-6 1-|||-H 7 8-|||-1-|||-CH2CH3-|||-(5) H 4-|||-CH3-|||-6 7 8 9-|||-H3C _(三)^5=(C)_(2)^6(C)_(2)^7(H)_(5)-|||-(6) =(C)_(4)^1-|||-C 2 H5 C(CH3)3-|||-(S) -6-1 甲基 -1,3- 环辛二烯-|||-(3R,4Z)-3,6- 二甲基 -5- 丙基 -4- 壬烯-|||-(E) -3-1 甲基 -4-pi 叔丁基 -3- 辛烯 -5- 炔丁二烯氯化法:（１)亲电共轭加成；（2）亲电1,2—加成；(3）消除反应;（4）异构化。6—1８请比较烯、炔、共轭二烯烃得结构及化学性质得异同点。共同点：三者都为不饱与烃,结构中含有不饱与键（π键）；化学性质上皆表现为能发生加成反应.不同点：烯烃双键碳为sｐ2杂化（双键由一个σ键与一个π键组成)；而炔烃中得叁键碳为ｓp杂化（叁键由一个σ键与两个π键组成)；共轭二烯烃得双键碳也为sp2杂化，但其中含π-π共轭体系.化学性质上,炔烃能与两分子亲电试剂加成，且还能发生亲核加成;而烯烃只能与一分子试剂加成;共轭二烯烃能发生共轭加成(１，４-加成）。