摘要:已知氧化性BrO3―> ClO3―>Cl2>IO3―>I2.现将饱和氯水逐滴滴入KI淀粉溶液中至过量. ⑴可观察到的现象是: ① ,② . ⑵写出有关离子方程式:① , ② .
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已知氧化性BrO3->ClO3->Cl2>IO3->I2。现将饱和氯水逐滴滴入KI淀粉溶液中至过量。
(1)可观察到的现象是:
①______________________________________________________________
②______________________________________________________________
(2)写出有关的离子方程式:
①_______________________________________________________________
②_______________________________________________________________
查看习题详情和答案>>已知氧化性BrO3->ClO3->Cl2>IO3->I2。现将饱和氯水逐滴滴入KI淀粉溶液中至过量。
(1)可观察到的现象是:
①______________________________________________________________
②______________________________________________________________
(2)写出有关的离子方程式:
①_______________________________________________________________
②_______________________________________________________________
(1)可观察到的现象是:
①______________________________________________________________
②______________________________________________________________
(2)写出有关的离子方程式:
①_______________________________________________________________
②_______________________________________________________________