天气预报15天查询> 其他> 苯的溴代反应3个现象

苯的溴代反应3个现象

更新时间: 2020-07-11 00:00:00     

1、锥形瓶内导管口附近出现大量白雾;

2、液体会微沸,尾气中也会挥发出少量的苯和溴;

3、溶液颜色会变浅,但不分层。

若反应产物倒进NaOH溶液,会分层,最上层是未反应的苯,中层是NaOH,NaBr,NaBrO等的溶液,最下层才是溴苯。

关键词: 反应 现象

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1631400/ | 耗时:0.9641 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1631400 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1631400 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1631400 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081195,1117988,1113037,1086582,1050395,1108640,1059016,1108401,1090541,1090260,1049048,1114460,1089263,1097815,1116743,1103348,1118869,1093693,1113383,1107160,1071661,1099791,1062350,1055361,1116930,1106116,1055824,1070824,1091420,1094811) ORDER BY field (ArticleID,1081195,1117988,1113037,1086582,1050395,1108640,1059016,1108401,1090541,1090260,1049048,1114460,1089263,1097815,1116743,1103348,1118869,1093693,1113383,1107160,1071661,1099791,1062350,1055361,1116930,1106116,1055824,1070824,1091420,1094811)