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Sugar turns black on addition of conc. H2SO4. Explain?

Sugar turns black on addition of conc. H2SO4. Explain?

Grade:upto college level

1 Answers

Anjali Ahuja
askIITians Faculty 240 Points
7 years ago
Hello Student
When we add concentrated sulfuric acid to sugar the result is interesting. The sulfuric acid is dehydrating agent and it dehydrates the carbohydrate sugar, removing the water and heating it into steam leaving behind a carbon foam. Thats why it looks black.

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