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Q. How to Prepare Chlorine in Laboratory?
Chlorine is prepared by oxidation of hydrochloric acid with potassium permanganate:
2KMnO4 + 16HCl -> 2KCl + 2MnCl2 + 8H2O + 5Cl2
The gas is bubbled through water to remove any unreacted hydrochloric acid and dried by bubbling through sulfuric acid. Being denser than air, it can be collected by downward delivery.
Strategy 2 The wheat flour amount is fixed at 3940g, but that of the active ingredients is varied from 30 to 60 g with the ratio of A : B : C fixed at 3:2:1. The combinations
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For a general reaction such as: The equilibrium constant is where the terms [A], [B],...strictly represent activities but are frequently approximated as co
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Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
give the mechanism of additin of HCN to acetaldehyde?????
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