KMnO4和浓盐酸反应也会生成氯气。其变化可表述为:    (1)请完成

KMnO4和浓盐酸反应也会生成氯气。其变化可表述为:

  

(1)请完成该化学方程式并配平(未知物化学式和化学计量数填入框内)

(2)浓盐酸在反应中显示出来的性质是         (填写编号)

①只有还原性       ②还原性和酸性       ③只有氧化性     ④氧化性和酸性

答案

(1)2  16  2  2  5  8  H2O

(2) ②

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