皮皮学，免费搜题
登录
搜题
【简答题】
将羧酸的碱金属盐溶液用惰性电极电解可得到烃类化合物，例如： 2CH 3 COOK＋2H 2 O CH 3 CH 3 ↑＋2CO 2 ↑＋H 2 ↑＋2KOH 现有下列衍变关系（A、B、C、D、E、F、G均为有机物） （1）电解ClCH 2 COOK溶液时阳极的电极反应式是______________(填选项)。 A．2ClCH 2 COO - －2e - ＝ClCH 2 CH 2 Cl＋2CO 2 ↑ B．2H + +2e - =H 2 ↑ C．2H 2 O+2e - =2OH - +H 2 ↑ D．4OH - －4e - =2H 2 O+O 2 ↑ （2）操作Ⅰ的名称是_____________，G的结构是_________________。 （3）写出B与银氨溶液按物质的量1∶4反应的化学方程式： ________________。 （4）写出下列化学方程式并指出其反应类型： A→B方程式：__________________。 E→F方程式：________________________。 指出反应类型：A→B_____________，E→F______________
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】阅读理解,根据短文内容填空。 Dear Mike, We got your letter yesterday. Yes, we can visit you at Christmas. We thought to spend Christmas at home, but now we are going to be with you. Jack will not be in school then....
【单选题】We had dinner at _____very nice restaurant, but now I can't remember _____ name. [ ]
A.
a; a
B.
the; a
C.
the; the
D.
a; the
【多选题】以下关于间接故意的说法正确的是()。
A.
明知其行为可能发生危害社会的结果，即对结果是否真的会发生处于一种不能肯定的状态中，且对危害结果的发生持放任的态度
B.
行为人在实施某种犯罪行为时，同时放任另一种危害结果的发生
C.
行为人在实施一个非犯罪行为时，而放任某种犯罪结果的发生
D.
行为人对自己的行为是否会引起危害社会的结果，或者可能引起什么样的危害结果，主观上没有明确认识，但对客观上可能产生的任何结果，却抱着无所谓的放任态度
【简答题】We dinner at a nice restaurant on Saturday, but we have't booked a table yet. (to have)
【单选题】Woman:So did you have a nice weekend? Man:Yeah,it was OK.Nothing Special really. Woman:What did you do? Man:I went round a friend’s for dinner on Saturday,which was nice. From this dialogue we can inf...
A.
the man had a dad weekend
B.
the man had a special weekend
C.
the man liked the dinner on Saturday
D.
the man felt boring at weekend
【单选题】We had dinner at ____ very nice restaurant, now I can’t remember ____ name.
A.
a;a
B.
a;the
C.
the;a
D.
the;an
【单选题】moderate The prices at this restaurant aren’t dirt cheap, but they are moderate. So we should be able to have a nice dinner without spending too much.
A.
modern
B.
average
C.
difficult
【简答题】Please r ewrite the vague part of the following sentences: 1) For dinner we had some really good food. 2) One member of my family has recently begun his professional career. 3) He is not a nice person...
【简答题】某建设项目可行性研究阶段拟定了两个生产线方案。一是以改进现有生产线的方案，需投资200万元，成功概率为0.6；改进后前3年为投产试营期，综合考虑风险变化因素与生产效率预计每年净现金流量为50万元。二是制造新生产线的方案需投资320万元，成功概率为0.8，安装后前3年为投产试营期，预计每年净现金流量为60万元。如果改进生产线与制造新生产线不成功时拟用原生产线生产，并保持原生产水平。相关数据见表9-2...
相关题目：