Sulphur burns completely or not ?
Answers
Answer:
When Sulphur burns in the presence of oxygen , it reacts with oxygen and forms a Sulphur dioxide Which is Acidic in Nature. Capture the Sulphur di oxide gas in a bottle and mix that gas with water.
Explanation:
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Answer:
yes it burns completly
Explanation:
Sulfur is only mildly flammable under normal atmospheric conditions, but in pure oxygen, it burns with a very nice blue flame. The products of the combustion are sulfur dioxide and sulfur trioxide:
S(s) + O2(g) ——> SO2(g)
2S(s) + 3O2(g) ——> 2SO3(g)
These substances react with water in the air to produce sulfurous and sulfuric acid, respectively:
SO2(g) + H2O(g) ——> H2SO3(g) [sulfurous acid]
SO3(g) + H2O(g) ——> H2SO4(g) [sulfuric acid]
This can be demonstrated by quenching the burning sulfur with a small amount of distilled water, and adding an appropriate acid-base indicator, such as methyl orange.
In the following demonstration, a small amount of sulfur is placed in a deflagrating spoon, heated in a Bunsen burner until it begins to burn, and then lowered into a jar of pure oxygen. The sulfur then flares up into a much brighter blue flame, and eventually begins to throw off fumes of sulfur dioxide and trioxide.