Cu+2H2SO4---->CuSO4 + SO2 +H2O
The ox. no of S decrease from +6 to +4.WHY???
呢個H2SO4 GE ox. no of S 係 +6
,但係WHY CuSO4 GE ox. no of S 唔係 +6,係+4??
收錄日期: 2021-04-13 13:40:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070928000051KK04070