二、选答题(共20分。请在以下三个模块试题中任选一个模块试题作答,若选答了多个模块的试题,以所答第一模块的试题评分) 《化学与生活》模块试题
1.(4分)“端午节”为中国传统节日,已被列入世界非物质文化遗产名录。端午节吃粽子是我国人民的文化传统。制做粽子的部分原料如下:①蔗糖、②糯米、③鲜瘦肉、④橄榄油。请回答:
(1)富含油脂的是 (填序号,下同)。 (2)富含淀粉的是 。 (3)富含蛋白质的是 。 (4)属于调味剂的是 。
2.(8分)水是人体的重要组成成分,是进行体内反应的介质。人体缺水后会增加血液的粘稠度,易引发多种心脑血管疾病,因此常用阿司匹林来预防。在我们每天的日常生活中,不仅需要适当补充水分,也需要保证合理均衡的饮食。长期以来,我国居民有进食腌制肉类食品的习惯,摄入水果、蔬菜等碱性食物偏少,容易导致人体血液偏酸。因此合理选择饮食,能帮助我们打下健康的基础。
请依据以上短文,判断下列说法是否正确(填“对”或“错”)。 (1)阿司匹林可以预防心脑血管疾病。
(2)长期过量食用腌制肉类食品对人体是无害的。 (3)水果、蔬菜等属于酸性食物,要控制摄入量。 (4)人体内的水需要不断补充,水是进行体内反应的介质。
3.(8分)燃煤产生的烟气中含有较多的SO2,直接排放会严重污染空气。氨法脱硫是一种操作简单、效率高的脱硫方法,其反应原理可用下图表示。 请回答:
(1)含SO2的烟气未经处理直接排放的危害是 (填字母)。
a. 危害人体健康 b. 影响动植物生长 (2)SO2跟氨水反应生成NH4HSO3的化学方程式是 。 (3)②中通入空气发生反应时,NH4HSO3是 (填字母)。
a. 氧化剂 b. 还原剂
(4)某研究小组对①产生的溶液进行监测,测得有关数据如下:
离子 浓度(mol/L) -
含SO2的烟气 氨水 ① NH4HSO3 (NH4)2SO3 (NH4)2SO4 空气 ② (NH4)2SO4 NH4+ 1.22 SO32 -HSO3 -SO42 -0.55 0.02 则c(HSO3) = mol/L。
化学试卷 第6页(共8页)
《有机化学基础》模块试题
1.(4分)现有下列6种与人们生产生活相关的有机物:
① HCHO(防腐剂) ② CH3CH2CHO(橡胶防老剂) ③ CH3CH2CH2CH3(打火机燃料) ④ CH 3 CHCH 3 (冷冻剂)
COOH
⑤ (防腐剂) ⑥ OH (杀菌剂) 请回答:
(1)属于羧酸的是 (填序号)。 (2)与①互为同系物的是 (填序号)。 (3)与③互为同分异构体的是 (填序号)。 (4)用系统命名法给④命名,其名称为 。
2.(8分)现有下列4种重要的有机物:①乙烯、②乙酸、③乙醇、④苯。请回答: (1)能发生消去反应生成①的是 (填序号)。 (2)能与③发生酯化反应的是 (填序号)。
(3)能发生加成反应使溴的四氯化碳溶液褪色的是 (填序号)。 (4)写出④与浓硝酸和浓硫酸的混合物发生硝化反应的化学方程式: 。 3.(8分)乳酸是世界上公认的三大有机酸之一,其应用非常广泛,可用作食品酸味剂、医药防腐剂、工业pH调节剂等。乳酸的结构简式如下图所示。 请回答:
(1)乳酸分子中含氧官能团的名称是 。 (2)乳酸的分子式是 。
(3)乳酸聚合得到的聚乳酸可以抽成丝线,这种线是良好的医用手术缝合线。乳酸在一
定条件下聚合生成聚乳酸的化学方程式是______。
(4)乳酸有多种同分异构体,请写出任意一种满足下列条件的同分异构体的结构简式:
______。
① 含酯基且能发生银镜反应
② 能与金属钠反应产生氢气
化学试卷 第7页(共8页)
OCH3 CH C OH OH CH3
《化学反应原理》模块试题
1.(4分)有关“人工固氮”研究的最新报道:在常温、常压、光照条件下,N2可在催化剂(掺有少量Fe2O3的TiO2)表面与水发生反应:2N2(g) + 6H2O(l) 3O2(g)。
已知:① N2(g) + 3H2(g) ② 2H2O(l) 请回答:
(1)反应①属于 (填“吸热”或“放热”)反应。 (2)反应①消耗3 mol H2(g)时,?H = kJ/mol。 (3)反应②生成1 mol O2(g)时,?H = _______ kJ/mol。 (4)反应2N2(g) + 6H2O(l)
CO2(g) + 3H2(g)
4NH3(g) 2NH3(g)
4NH3(g)
+
ΔH1 = -92.0 kJ/mol ΔH2 = +571.6 kJ/mol
2H2(g) + O2(g)
+ 3O2(g) ?H = kJ/mol。
2.(8分)二氧化碳催化加氢合成甲醇的反应:
CH3OH(g) + H2O(g) ?H<0
可以用来缓解温室效应、开发新能源。一定条件下,向容积为1 L的密闭容器中充入1 mol CO2和3 mol H2,CO2(g)和CH3OH(g)的浓度随时间变化如下图所示。
请回答:
(1)4 min内,v(CO2) = mol/(L·min)。
(2)其他条件不变,增大c(CO2),平衡向 (填“正”或“逆”)反应方向移动。 (3)升高温度,该反应的化学平衡常数 (填“增大”或“减小”)。 (4)平衡时,CO2的转化率是 。
3.(8分)25℃时,现有浓度均为0.10 mol/L的2种溶液:① 氨水、② 氯化铵溶液。 请回答:
(1)两种溶液中c(H+)> c(OH)的是 (填序号)。
-
(2)一水合氨的电离方程式是 。 (3)下列说法正确的是 (填字母)。
a.①和②中水的电离均被抑制
b.①中由水电离出的c(H+)=1.0×10-13 mol/L
c.若两溶液等体积混合后pH>7,则溶液中离子浓度存在关系: c(NH4+)>c(Cl)>c(OH)>c(H+)
-
-
(4)用石墨作电极电解②时,阳极反应式是 。
2015年北京市夏季普通高中会考
化学试卷答案及评分参考
说明:考生答案如与本答案不同,若答得合理,可酌情给分,但不得超过原题所规定的分数。
第一部分 选择题 (共50分)
选择题(每小题2分,共50分)
题号 答案 题号 答案 题号 答案 1 D 11 D 21 A 2 D 12 C 22 A 3 C 13 A 23 D 4 B 14 A 24 D 5 B 15 D 25 C
6 A 16 D 7 B 17 A 8 D 18 C 9 B 19 B 10 D 20 D
第二部分 非选择题(共50分)
一、必答题(共30分)
1.(3分) CO ··················································································· 1分 NO ··················································································· 1分
2 ···················································································· 1分
2.(3分) ③ ····················································································· 1分
① ···················································································· 1分 ② ···················································································· 1分
3.(4分) ① ····················································································· 1分
③ ···················································································· 1分 ④ ···················································································· 1分 ② ···················································································· 1分
4.(4分)(1)a ………………………………………………………………………1分 (2)除去氯气中混有的氯化氢气体 ·········································· 1分 (3)黄绿色气体进入③中,湿润的有色纸条褪色 ………………… 1分
(4)Cl2 + 2OH
(2)Fe + 2H+
-
Cl + ClO + H2O ·································· 1分
--
5.(8分)(1)① ② ………………………………………………………………2分
Fe2+ + H2↑ 2Al + 6H+
2Al3+ + 3H2↑ …2分
(3)a b ············································································ 2分 (4)5.9%(或0.059) ······························································ 2分
6.(8分)(1)① 第3周期 第IA族 ………………………………………………2分
② a b ········································································ 2分 (2)① NH4+ + HCO3 + 2OH
—
△ —
NH3↑+ CO32 + 2H2O
—
或NH4+ + OH
分
△ —
NH3↑+ H2O …………………………2
② 0.32 mol (或3.2×10-1 mol)…………………………………… 2分
二、选答题(共20分)
说明:考生可任选其中一个模块的试题作答,若选答了多个模块的试题,以所答第一模块的
试题评分。 《化学与生活》模块试题
1.(4分)(1)④ ·············································································· 1分
(2)② ·············································································· 1分 (3)③ ·············································································· 1分 (4)① ················································································ 1分
2.(8分)(1)对 ··············································································· 2分
(2)错 ··············································································· 2分 (3)错 ··············································································· 2分 (4)对 ··············································································· 2分
3.(8分)(1)a b ··············································································· 2分
(2)NH3 + SO2 + H2O
NH4HSO3 ····································· 2分
(3)b ………………………………………………………………………2分 (4)0.08(或8.0×10-2) ························································ 2分
《有机化学基础》模块试题
1.(4分)(1)⑤ ··············································································· 1分
(2)② ·············································································· 1分 (3)④ ················································································ 1分 (4)2-甲基丙烷 ··································································· 1分
2.(8分)(1)③ ··············································································· 2分
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