1.推断题- (共2题)

(1)B的结构简式是 ;E中含有的官能团名称是 。
(2)由C和E合成F的化学方程式是 。
(3)同时满足下列条件的苯的同分异构体的结构简式是 。
①含有3个双键; ②核磁共振氢谱只显示1个吸收峰; ③不存在甲基。
(4)乙烯在实验室可由 (填有机物名称)通过 (填反应堆类型)制备。
(5)下列说法正确的是 。
a.A 属于饱和烃 b.D与乙醛的分子式相同
c.E不能与盐酸反应 d.F可以发生酯化反应


(1)写出A的结构简式:________。
(2)G是常用指示剂酚酞。写出G中含氧官能团的名称:________和________。
(3)某化合物是E的同分异构体,且分子中只有两种不同化学环境的氢。写出该化合物的结构简式:________(任写一种)。
(4)F和D互为同分异构体。写出反应E→F的化学方程式:________________________________。
(5)根据已有知识并结合相关信息,写出以A和HCHO为原料制备CHO的合成路线流程图(无机试剂任用)。合成路线流程图示例如下:
H2C=CH2


2.单选题- (共7题)

A.遇FeCl3溶液显紫色 |
B.与足量的氢氧化钠溶液在一定条件下反应,最多消耗NaOH 3 mol |
C.能发生缩聚反应和加聚反应 |
D.1 mol该有机物与溴发生加成反应,最多消耗1 mol Br2 |

A.邻苯二甲酸二丁酯的分子式为C16H21O4 |
B.邻苯二甲酸二丁酯属于酯类,可增加白酒的香味,对人体无害 |
C.用邻苯二甲酸与丁醇合成邻苯二甲酸二丁酯的反应属于取代反应 |
D.邻苯二甲酸二丁酯不能发生加成反应 |
A.按系统命名法,化合物![]() |
B.等物质的量的苯和苯甲酸完全燃烧消耗氧气的量不相等 |
C.苯和甲苯互为同系物,均能使KMnO4酸性溶液褪色 |
D.结构片段![]() |
3.选择题- (共10题)
In Britain,the government,school leaders,teachers and parents all agree that students should wear uniforms.B{#blank#}1{#/blank#} British private schools have their own school uniforms.They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms.
School leaders normally decide if pupils will have to wear a uniform,and they a{#blank#}3{#/blank#} decide what it should look like.You know,no students want to wear65.u{#blank#}4{#/blank#} uniforms.
Everybody wants to wear beautiful uniforms.
Leaders have to follows the rules,and they c{#blank#}5{#/blank#} just choose anything they like.They have to t{#blank#}6{#/blank#} of the students' feeling and taste.Here are a few f{#blank#}7{#/blank#} leaders should consider.
①Cost.This is the first fact they should consider.Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families.Not all the families can afford it.
②Sexism(性别歧视).The uniform policy must be equally fair(公平的)for boys and g{#blank#}9{#/blank#}.
③Cultrues and races.School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform,for example,allowing Muslim(穆斯林)girls to wear an appropriate dress and Sikh(印度锡克教徒)boys to wear a traditional headdress(头饰).
In Britain,the government,school leaders,teachers and parents all agree that students should wear uniforms.B{#blank#}1{#/blank#} British private schools have their own school uniforms.They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms.
School leaders normally decide if pupils will have to wear a uniform,and they a{#blank#}3{#/blank#} decide what it should look like.You know,no students want to wear65.u{#blank#}4{#/blank#} uniforms.
Everybody wants to wear beautiful uniforms.
Leaders have to follows the rules,and they c{#blank#}5{#/blank#} just choose anything they like.They have to t{#blank#}6{#/blank#} of the students' feeling and taste.Here are a few f{#blank#}7{#/blank#} leaders should consider.
①Cost.This is the first fact they should consider.Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families.Not all the families can afford it.
②Sexism(性别歧视).The uniform policy must be equally fair(公平的)for boys and g{#blank#}9{#/blank#}.
③Cultrues and races.School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform,for example,allowing Muslim(穆斯林)girls to wear an appropriate dress and Sikh(印度锡克教徒)boys to wear a traditional headdress(头饰).
In Britain,the government,school leaders,teachers and parents all agree that students should wear uniforms.B{#blank#}1{#/blank#} British private schools have their own school uniforms.They think it's i{#blank#}2{#/blank#} for pupils to wear school uniforms.
School leaders normally decide if pupils will have to wear a uniform,and they a{#blank#}3{#/blank#} decide what it should look like.You know,no students want to wear65.u{#blank#}4{#/blank#} uniforms.
Everybody wants to wear beautiful uniforms.
Leaders have to follows the rules,and they c{#blank#}5{#/blank#} just choose anything they like.They have to t{#blank#}6{#/blank#} of the students' feeling and taste.Here are a few f{#blank#}7{#/blank#} leaders should consider.
①Cost.This is the first fact they should consider.Their uniforms shouldn't be too e{#blank#}8{#/blank#} because it may cause problems for some families.Not all the families can afford it.
②Sexism(性别歧视).The uniform policy must be equally fair(公平的)for boys and g{#blank#}9{#/blank#}.
③Cultrues and races.School rules must a{#blank#}10{#/blank#} pupils from all backgrounds to wear a uniform,for example,allowing Muslim(穆斯林)girls to wear an appropriate dress and Sikh(印度锡克教徒)boys to wear a traditional headdress(头饰).
①若m⊥n,n∥α,则m⊥α;
②若m∥β,α⊥β,则m⊥α;
③若m⊥β,n⊥β,n⊥α,则m⊥α;
④若m⊥n,n⊥β,α⊥β,则m⊥α
①若m⊥n,n∥α,则m⊥α;
②若m∥β,α⊥β,则m⊥α;
③若m⊥β,n⊥β,n⊥α,则m⊥α;
④若m⊥n,n⊥β,α⊥β,则m⊥α
-
【1】题量占比
推断题:(2道)
单选题:(7道)
选择题:(10道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:6
7星难题:0
8星难题:1
9星难题:1