5C2H5CHCHC2H5 + 4KMnO4 + 6H2SO4 = 10C2H5CHO + 2K2SO4 + 4MnSO4 + 6H2O. Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents w...
①CH3CH=CH2+Br2CH3CHBrCH2Br ②CH3CH2OH CH2=CH2+H2O③CH3COOH+CH3CH2OHCH3COOCH2CH3+H2O ④2CH3CH2OH CH3CH2OCH2CH3+H2O A.①② B.③④ C.①③ D.②④ 甲醛在一定条件下发生如下反应:2HCHO+NaOHHCOONa+CH3OH,在此反应中关于甲醛的下列叙述中正确的是( ) A.仅被氧化 B.仅被还原 C.既被氧化又被...
15.已知溴水中存在化学平衡:Br2+H2O?HBr+HBrO,乙烯通入溴水中,生成A、B(B的分子式为C2H5BrO)和C2H5Br.回答下列问题:(1)E的分子式为C8H16O4.G中含氧官能团的名称是羟基、羧基.(2)B的结构简式为CH2BrCH2OH,I的结构简式为.(3)A～I中,能发生银镜反应的物质的结构简式是Br-CH2-CHO.(...
17.(14分)有机物G是一种治疗尿失禁的新药,具有解痉和抗胆碱作用,其合成路线如下:C2H5Br QCOOH OCOOCH CHCH3Br2,KMnO CHOH催化剂浓酸A BC DE C1H2O F CH3COCH2 C =CCH2N(C2H5)2HO Mg乙醚CHONa OCH_2C\equivCCH_2N(C_2H_5)_2G QQH R3X H2O已知:R Mg乙醚R2R R2R3回答下列问题:(1)A的名称为...
3-苯基丙烯醛是一种被广泛应用在食品加工中的高效低毒食品添加剂,下列是用其合成聚酯F的路线示意图:已知:RCHO HCl C2H5OH RCH(OC2H5)2 H2O
(或者CuO、△),方程式为:2OH+O2Cu △2+2H2O,故答案为:O2、Cu/△(或者CuO、△);(4)C为CHOH,与C互为同分异构体,①能水解,含有酯的结构;②能发生银镜反应,含有醛基;③六元环结构,且环上只有一个碳原子连有取代基,符合条件的有:CH3 CH2CH3 CH-CH2-OOCH CH-OOCH CH2-OOCH OOCH CH3,故答案为:CH3...
aPCl3+b(CH3)2CHOH +c(C2H5)3N =d((CH3)2CHO)3P +f(C2H5)3N·HCl Step 2: Create a System of Equations Create an equation for each element (P, Cl, C, H, O, N) where each term represents the number of atoms of the element in each react...
百度试题 结果1 题目以下反响中, 属于取代反响的是 A. C2H5OH C2H4↑+ H2O B. CH2=CH2 + Br2 → CH2Br-CH2Br C. D. 2CHCHO + O 2CHCOOH 相关知识点: 试题来源: 解析 C. 反馈 收藏