The residue left on dehydration of glucose by concentrated sulphuric acid
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Sulfuric Acid and Sugar Demonstration (Sugar Dehydration)
It's the dehydration of sugar (sucrose) with sulfuric acid. ... The sulfuric acid removes water from the sugar in a highly exothermic reaction, releasing heat, steam, and sulfur oxide fumes. Aside from the sulfurous odor, the reaction smells a lot like caramel.
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● After dehydration of glucose by concentrated sulphuric acid the product will be a black colour Residue.
● The reaction of dehydration of glucose is a a exothermic reaction where large amount of heat is generated.
● Along with heat carbon dioxide is is liberated which is released with steam and sulphur oxide fumes.
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