Concentrated sulphuric acid turns blue litmus paper red and then black. On the basis of these colour changes, which of the following deductions concerning concentrated sulpuric acid are correct?
1)It contain H+(aq) ions
2)It is an oxidizing agent
3)It is a dehydrating agent
Please answer with explanation.
By the way, how can we know whether it is a dehydrating agent?
How can we know if it is a dehydrating agent?
2006-10-23 3:03 am
回答 (1)
2006-10-23 3:25 am
✔ 最佳答案
The answer is (1) and (3)H2SO4 turns blue litmus paper red due the presence of H+ ions.
Furthermore, it turns the litmus black as H2SO4 has a strong affinity for water.
The litmus turns black as a result.
收錄日期: 2021-04-13 14:48:22
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