點解potassium dichromate同potassium permanganate要acidify既?
有咩用架?
唔acidify得唔得架?
中五程度的解說, 唔好用d甘深既字~
thx~~~
化學strong oxidizing agents
2009-09-29 12:34 am
回答 (1)
2009-09-29 12:41 am
✔ 最佳答案
After acidifying, there would be H+ for completing the reaction.Ionic Half-equation : (MnO4 -) + (8H+) + (5e-) --> (Mn2+ ) + (4H2O)
If it is not acidified, there would be no reaction.
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參考: chemistry notes
收錄日期: 2021-04-13 16:52:17
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