中国医科大学网络教育学院(中医大网院)2016年6月7月考试《医用化学》考查课答案(自己个人整理版)汇编

中国医科大学2016年6月考试《医用化学》考查课试题

一、

单选题

1.下列说法中错误的是

(分值：1分)

A.所有稳定单质的标准摩尔生成热都等于零

B.氧气和氮气的标准摩尔燃烧热都等于零

C.二氧化碳的标准摩尔燃烧热等于零

D.氢气的标准摩尔燃烧热就是气态水的标准摩尔生成热

2.通常市售的硫酸是密度为1．84kg·L-1，它的物质的量浓度c(H2SO4)为18 mol·L，H2SO4的质量分数是(分值：1分)

A.86%

B.49%

C.1

D.0．96

3.Al(OH)3的溶解度（S）与溶度积常数(K sp)之间的关系是

(分值：1分)

A.S=(K sp)1/2

B.(K sp/4)1/2

C.(K sp)1/3

D.(K sp/27)1/4

4.对于反应H2O OH- + H+，下列说法不正确的是

(分值：1分)

A.H+是酸，OH-是它的共轭碱

B.[OH-]越大，则[H+]越小

C.当[H+]≥1mol·L-1时溶液中还存在OH-

D.[OH-]=1mol·L-1，则pH=14

5.决定缓冲溶液pH值的主要因素是

(分值：1分)

A.弱酸的pK a和总浓度

B.弱酸的pK a和缓冲比

C.缓冲溶液的总浓度和缓冲比

D.弱酸的pK a和共轭碱的pK b

6.下列混合溶液中，不属于缓冲溶液的是

(分值：1分)

A.0．1mol·L-1H3PO4与0．15mol·L-1NaOH等体积混合溶液

B.30mL0．1mol·L-1KH2PO4与20mL0．15mol·L-1Na2HPO4溶液

C.30mL0．1mol·L-1HAc与20mL0．15mol·L-1NaOH溶

7.为配制pH=5．05的缓冲溶液，已知pK a（HAc）=4．75, 用等浓度的HAc溶液和NaAc溶液配制时，其体积比约为(分值：1分)

A.2．0

B.0．5

C.0．3

D.1．0

8.下列说法中错误的是

(分值：1分)

A.所有稳定单质的标准摩尔生成热都等于零

B.氧气和氮气的标准摩尔燃烧热都等于零

C.二氧化碳的标准摩尔燃烧热等于零

D.氢气的标准摩尔燃烧热就是气态水的标准摩尔生成热

9.下列反应中>0的是

(分值：1分)

A.CO(g)+Cl2(g)→COCl2(g)

B.N2(g)+O2(g)→2NO(g)

C.NH4HS(s)→NH3(g)+H2S(g)

D.2HBr(g)→H2(g)+Br2(g)

E.2NO2(g)→NO(g)+1/2O2(g)

10.用ΔrGm判断反应进行的方向和限度的条件是

(分值：1分)

A.等温

B.等温等压

C.等温等压且不作有用功

D.等温等压且不作膨胀功

E.等压

11.已知石墨的燃烧热为-393．7kJ·mol-1，金刚石的燃烧热为-395．8kJ·mol-1，则石墨转变为金刚石的反应：C（gra）--> C（dia）的焓变是

(分值：1分)

A.+2．1kJ·mol-1

B.-2．1kJ·mol-1

C.-789．5kJ·mol-1

D.+789．5kJ·mol-1

12.已知反应H2O(g) + C(石墨) → CO(g) + H2(g) 在298．15K时=131．3kJ·mol-1，=134．1J·K-1·mol-1，在标准状态下该反应

(分值：1分)

A.在温度升高至一定数值以上即可自发进行

B.在温度降低至一定数值以上即可自发进行

C.在任何温度下反应都能自发进行

D.在任何温度下反应都不能自发进行

13.对于零级反应来说，下列叙述中正确的是

(分值：1分)

A.反应速率与反应物浓度成正比

B.反应速率与反应物浓度有关

C.反应的半衰期为一常数

D.反应速率与时间无关

14.某化学反应的速率常数的单位为mol-1?L?S-1，则此反应为

(分值：1分)

A.零级反应

B.一级反应

C.二级反应

D.三级反应

15.关于一级反应，下列叙述不正确的是

(分值：1分)

A.速率方程微分形式

B.速率方程积分形式

C.对t作图为直线

D.半衰期

16.下列烷烃中系统命名法称为2-甲基丁烷的是

(分值：1分)

A.异戊烷

B.异丁烷

C.新戊烷

D.异己烷

17.下列化合物中能发生碘仿反应的是：

(分值：1分)

A.CH3CH2CHO

B.CH3CH2COCH2CH3

C.C6H5CH(OH)CH3

D.(CH3)2CHCHO

18.醛与HCN的反应机制是： 2．命名下列各化合物（1）（2）（3）（4）（5）（6）（7）（8）（9）（10） 3．写出下列化合物的结构（1）ɑ-溴代丙醛（2）邻羟基苯甲醛（3） 2,2-二甲基环戊酮（4） 1,4环己二酮（5）戊二醛

(分值：1分)

A.亲电加成

B.亲核加成

C.亲电取代

D.亲核取代

19.乙醚、丁醇、丁酸的沸点高低以及在水中溶解度的由大到小的顺序是：(分值：1分)

A.乙醚、丁醇、丁酸

B.丁酸、丁醇、乙醚

C.丁醇、乙醚、丁酸

D.丁酸、乙醚、丁醇

20. 和的关系是：

(分值：1分)

A.顺反异构体

B.构象异构体

C.对映异构体

D.非对映体

二、判断题（共 10 道试题，共 10 分。）

判断题

21.呋喃

(分值：1分)

正确错误

22.乙酸丙酸酐

(分值：1分)

正确错误

23.甲乙丙胺(分值：1分)

正确错误

24.萘

(分值：1分)

正确错误

25.2R3S-2,3-二溴丁烷

(分值：1分)

正确错误

26.2-氯乙烯

(分值：1分)

正确错误

27.对乙基甲苯

(分值：1分)

正确错误

28.N-甲基甲酰胺

(分值：1分)

正确错误

29.邻苯二甲酸酐

(分值：1分)

正确错误

30.对映体中的R型一定是右旋（+）的，S型一定是左旋（-）的。

(分值：1分)

正确错误

三、填空题（共 1 道试题，共 10 分。）

1、C B A 1.8 D 11.7

2、小大小

3、+83 0:-1

四、问答题（共 4 道试题，共 60 分。）

1.

答：(1)t1/2=3.2*10^4s(2)m=1.7g

2.

答：40C病人体内此酶的催化反应比正常人(37C)快1.2倍

3.

碳酸>对硝基苯酚>苯酚>对甲基苯酚>苄醇

答：

4.

答：D-阿洛糖D-葡萄糖D-甘露糖D-半乳糖

D甘露糖D阿洛糖D半乳糖是D-葡萄糖的差向异构体。互相都不是对映体。

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2016年12月大学英语四级考试真题(第2套) (30 minutes) Directions: For this part, you are allowed 30 minutes to write an essay. Suppose you have twooptions upon graduation: one is to take a job in a company and the other to go to agraduate school. You are to make a choice between the two. Write an essay to explain thereasons for your choice. You should write at least 120 words but no more than 180words. Part Ⅱ Listening Comprehension (25 minutes ) Section A Directions: In this section, you will hear three news reports. At the end of each newsreport, you will hear two or three questions. Both the news report and thequestions will be spoken only once. After you hear a question, you mustchoose the best answer from the four choices marked A, B, C and D .Then mark the corresponding letter on Answer Sheet I with a single linethrough the centre. Questions 1 and 2 are based on the news report you have just heard. 1. A. To satisfy the curiosity of tourists. B. To replace two old stone bridges. C. To enable tourists to visit Goat Island. D. To improve utility services in the state. 2. A. Countless tree limbs. B. A few skeletons. C. Lots of wrecked boats and ships. D. Millions of coins on the bottom. Questions 3 and 4 are based on the news report you have just heard. 3. A. It suspended diplomatic relations with Libya. B. It urged tourists to leave Tunisia immediately. C. It shut down two border crossings with Libya. D. It launched a fierce attack against Islamic State. 4. A. Advise Tunisian civilians on how to take safety precautions. B. Track down the organization responsible for the terrorist attack. C. Train qualified security personnel for the Tunisian government. D. Devise a monitoring system on the Tunisian border with Libya. Questions 5 to 7 are based on the news report you have just heard. 5. A. An environment-friendly battery. B. An energy-saving mobile phone. C. A plant-powered mobile phone charger. D. A device to help plants absorb sunlight. 6. A. While sitting in their school's courtyard. B. While playing games on their phones. C. While solving a mathematical problem. D. While doing a chemical experiment. 7. A. It increases the applications of mobile phones.

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2016年6月大学英语四级考试真题（第1套） PartⅠWriting(30minutes) Directions:For this part,you are allowed30minutes to write a letter to express your thanks to one of your school teachers upon entering college.You should write at least120words but no more than180words. _______________________________________________________________________________ _______________________________________________________________________________ PartⅡListening Comprehension(25minutes) Section A Directions:In this section,you will hear three news reports.At the end of each news report,you will hear two or three questions.Both the news report and the questions will be spoken only once. After you hear a question,you must choose the best answer from the four choices marked A),B),C) and D).Then mark the corresponding letter on Answer Sheet1with a single line through the centre. Questions1and2are based on the news report you have just heard. 1.A)The International Labour Organization’s key objective. B)The basic social protection for the most vulnerable. C)Rising unemployment worldwide. D)Global economic recovery. 2.A)Many countries have not taken measures to create enough jobs. B)Few countries know how to address the current economic crisis. C)Few countries have realised the seriousness of the current crisis. D)Many countries need support to improve their people’s livelihood. Questions3and4are based on the news report you have just heard. 3.A)Serve standardised food nationwide.C)Increase protein content in the food. B)Put calorie information on the menu.D)Offer convenient food to customers. 4.A)They will be fined.C)They will get a warning. B)They will be closed.D)They will lose customers. Questions5to7are based on the news report you have just heard. 5.A)Inability to implement their business plans. B)Inability to keep turning out novel products. C)Lack of a successful business model of their own. D)Failure to integrate innovation into their business. 6.A)It is the secret to business success.C)It is a magic tool to bring big rewards. B)It is the creation of something new.D)It is an essential part of business culture. 7.A)Its hardworking employees.C)Its innovation culture. B)Its flexible promotion strategy.D)Its willingness to make investments. Section B Directions:In this section,you will hear two long conversations.At the end of each conversation,you will hear four questions.Both the conversation and the questions will be spoken