“绿色试剂”双氧水可作为矿业废液消毒剂,如消除采矿业废液中的

“绿色试剂”双氧水可作为矿业废液消毒剂,如消除采矿业废液中的氰化物(如KCN),反应的化学方程式为:KCN+H2O2+H2OA+NH3

回答下列问题:

(1)生成物A的化学式为                                 

(2)在标准状况下有0.448L氨气生成,则转移的电子数为               .     

(3)H2O2被称为“绿色试剂”的理由是                                               。

答案

(1)KHCO3                                             (2)2.048

(3)还原产物是水,无污染。

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