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某化学课外小组用如图装置制取溴苯并探究该反应的类型．先向分液漏斗中加入苯和液溴，再将混合液滴入反应器A（A下端活塞关闭）中． （1）写出A中反应的化学方程式：______． （2）实验结束时，打开A下端的活塞，让反应液流入B中，充分振荡，目的是 ______． （3）C中盛放CCl 4 的作用是______． （4）若要证明苯和液溴发生的是取代反应，而不是加成反应，通常有两种方法，请按要求填 写下表． 向试管D中加入的试剂 能证明苯与液溴发生取代反应的现象 方法一 方法二
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