What substances does sulfuric acid interact with: carbon – C, aluminum – Al, aluminum oxide, sulfur (VI) oxide, hydrochloric acid – HCl, barium base, iron (II) sulfide – FeS. Write down the reaction equations.
It is important to consider whether the acid is concentrated or diluted. Reactions typical for concentrated sulfuric acid:
C + 2H2SO4 = CO2 + 2SO2 + 2H2O;
2Al + 6H2SO4 = Al2 (SO4) 3 + 3SO2 + 6H2O (with strong heating, the reaction does not take place in the cold);
Al2O3 + 3H2SO4 = Al2 (SO4) 3 + 3H2O;
Ba (OH) 2 + H2SO4 = BaSO4 + 2H2O;
2FeS + 6H2SO4 = Fe2 (SO4) 3 + 2S ↓ + 3SO2 ↑ + 6H2O.
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