- Pour a few grams of sugar in a beaker.
- Add concentrated sulfuric acid.
- Wait a few minutes.
- Watch the sugar become black and rapidly increase in volume
Sugar becomes black while increasing in volume.
Scientific name: Sugar reacts with sulfuric acid and is dehydrated forming carbon dioxide and carbon
by Sanguine Eel
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C12H22O11 → 12 C + 11 H2O
Concentrated sulfuric acid is a strong dehydrating agent. Thus, sulfuric acid reacts with sugar, thereby forming carbon. The increase in volume can be explained by the fact that the reaction products are oxidized to carbon dioxide and coal is loosened.