山东省烟台市203届高三3月阶段性测试化学试题.docVIP

山东省烟台市2013届高三3月诊断性测试 化 学 试 题 [来源:GkStK.Com][来源:GkStK.Com][来源:GkStK.Com][来源:学优高考网][来源:GkStK.Com]（3）CSe2与CO2结构相似，CSe2分子内σ键与π键个数之比为 。CSe2首次是由H2Se与CCl4反应后制取的，CSe2分子内的Se—C—Se键角 （填“大于”， “等于”或“小于”）H2Se分子内的H—Se—H键角。 （4）硒化铷晶体属于反萤石型结构，晶胞结构如右图所示。每个晶胞中 包含 个Rb2Se单元，其中Se2-周围与它距离最近且相等的Rb+的离 子数目为 。 33．（8分）【化学——有机化学基础】 X是一种制备隐性眼镜的高分子材料，设计下列流程制取。经检测化合物A中只含有两种化学环境不同的氢原子。 回答下列问题： （1）化合物A的结构简式为 ，B→C的反应类型为 。 （2）写出符合下列条件的C的同分异构体的结构简式： ①不含支链的直链结构②属于酯类③能发生银镜反应 （3）D的结构简式为 。 （4）写出E→X反应的化学方程式： 。 高≒考$试-题+库 guide sex further enhanced, documents handle and running of speed obviously speed up, program gradually specification, conference service and Chief reception of quality and level has has new of improve, Logistics support capability further strengthened. 　　Document management, confidential, confidentiality, duty, letters and other items have been significantly improved. 4, Office construction increased at all levels. City Government offices adhere to strengthen and improve the construction of the system as a breakthrough, has developed a series of code of conduct, continuous improvement of operational mechanism, sound and the implementation of the rules and regulations, and adhere to the system of managing people, according to the rules, the work gradually into the orbit of institutionalization and standardization. 　　Focus on strengthening ideological and political construction of the contingent of cadres, and actively carried out various business training, knowledge of the Office team structure has been optimized, to broaden the range of knowledge and operational capacity grows, nurtured a political firm, sharp, professional and innovative staff, created solidarity, striving for the top, pragmatic, dedication, good image. However, with the State Council and the provincial Government of the national, the provinces Secretary-General meeting of government offices under the new situatio