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How Glucose is Prepared from Cane Sugar ? - Chemistry

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Question

How is glucose prepared from cane sugar?

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Solution

Preparation of glucose from cane sugar:
Cane sugar (sucrose) is boiled with dilute hydrochloric acid or sulphuric acid. Cane sugar is hydrolyside into equimolar mixture of glucose and fructose.
\[\ce{\underset{\text{cane sugar}}{C12H22O11} + H2O ->[dil HCL or H2SO4][\Delta] \underset{\text{glucose}}{C6H12O6} + \underset{\text{fructose}}{C6H12O6}}\]
The mixture is cooled and alcohol is added during cooling. Glucose crystallises out and fructose remains in solution. Glucose crystals are separated by filtration.
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2017-2018 (March)

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