Which on treatment with conc sulphuric acid and heating produces both co and co2 gas?
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Answer:
I don't know if C or CuO react with H2SO4. Some sources say that:
C+H2SO4⟶CO2↑+2SO2↑+2H2O
(It seems to be similar to Cu reactions with H2SO4). Is the reaction possible? If the answer is yes, in what conditions does the reaction take place?
And I was pretty sure that CuO+H2SO4⟶CuSO4↓+H2O
But my chemistry book says that none of the reactions is possible. I'm little bit confused, some help would be apreciated
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Dec 28 '15 at 22:32
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Carbon reacts with sulfuric acid to produce carbon dioxide and sulfur dioxide gas along with water. Sulfuric acid should be a concentrated, heated solution.
C+2H2SO4−→ΔCO2+2SO2+2H2O
More insight about this reaction can be found here.
Copper(II) oxide, a black solid, and dilute sulfuric acid react to produce copper(II) sulfate, giving a characteristic blue colour to the solution. From this solution, blue copper(II) sulfate pentahydrate crystals may be obtained if desired.
CuO+H2SO4⟶CuSO4↓+H2O
It is a general "insoluble metal oxide is reacted with a dilute acid to form a soluble salt" type of reaction. It is a standard class experiment.
More insight about this reaction can be found here.