某同学用下列装置制备并检验Cl2的性质。下列说法正确的是 A.Ⅰ图

某同学用下列装置制备并检验Cl2的性质。下列说法正确的是

A图中:如果MnO2过量,浓盐酸就可全部消耗

B图中:湿润有色布条能褪色      

C图中:生成蓝色的烟  

 D图中:量筒中发生了加成反应

答案

B

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