Ⅰ、乙烷、乙烯、乙炔、乙苯四种有机物中具有下列性质的是 (1) 不能使溴水因反应

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问题:

Ⅰ、乙烷、乙烯、乙炔、乙苯四种有机物中具有下列性质的是

(1) 不能使溴水因反应而褪色,但能使酸性高锰酸钾溶液褪色的是________。

(2)既不能使溴水褪色,也不能使酸性高锰酸钾溶液褪色的是__________。与之互为同系物且相对分子质量相差14的有机物的分子式为__________、__________。

(3)在催化剂作用下能与氢气按1:2完全反应的是___________。

(4)该物质一定条件下能与水反应生成酒精的,写出发生反应的化学方程式_______________________________________,反应类型为:              。

Ⅱ、制备溴苯的实验装置如右图所示,回答下列问题:

(1)写出制取溴苯的反应方程式为                                 

(2)将左侧分液漏斗的旋塞打开滴入试剂后开始反应,在A中可观察到的现象是                                

(3)冷凝管B有上口和下口,冷却水应从     口进入。

(4)反应结束后将右侧分液漏斗中的物质在加入A中,其作用是(用化学方程式回答)                                    

(5)要证明该反应是取代反应,简便的实验方法是         _____________________ 

____________________________________________ 。(写出操作、现象、结论)

考点:结构简式结构式
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五、单词拼写(5%)

1. The student p________________ to be doing his homework when the teacher came in.

2. When the car accident happened, a few p_______________ witnessed it and they sent the     

injured driver to the hospital.

3. Many children s________________ to death in Africa every year because of the lack of food.

4. Under the lead of our Party, we finally got i_____________ from the other countries.

5. He managed to save the d___________ girl in the lake, which was praised by many people.

6. Children always show c______________ about everything because they want to know everything around them.

7. She is not s________________ enough to wear these tight(=" not" loose)trousers.

8. The boss demands all the assistants in his shop remember “c_______________ first”.

9. China isn’t what she used to be. She is p_________ enough now to compete with developed countries.

10. Beethoven was one of the greatest m____________.

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经调查统计,某地区人群中蓝眼(aa)1600人,纯合褐眼(AA)1400人,杂合褐眼(Aa)7000人,那么蓝眼基因和褐眼基因的频率分别是[ ]

A.43%和57%

B.51%和49%

C.28%和72%

D.32%和68%

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依据WHO标准,可确诊为Crohn病的是()

A.区域性肠道病变,黏膜呈铺路石样改变

B.非连续性肠道病变伴纵行溃疡

C.全层性炎症性肠道疾病伴肿块及狭窄

D.节段性肠道病变,纵行溃疡

E.节段性肠道病变,肠壁全层性炎及非干酪性肉芽肿

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相同质量的Na、Mg、Al分别与过量的盐酸反应,在相同条件下置换出H2的体积比是(  )

A.36:69:92

B.23:12:9

C.1:2:3

D.9:12:23

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《会计法》规定:审计部门有权对各单位的从事会计工作的人员是否具备从业资格实施监督。 ( )

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