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Questions
What are the expected products of hydrolysis of lactose?
What are the hydrolysis products of lactose?
What are the products formed upon hydrolysis of lactose?
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Solution 1
Lactose is composed of β-D galactose and β-D glucose. On hydrolysis, it gives two molecules of lactose monosaccharide, i.e., one molecule each of D-(+)-glucose and D-(+)-galactose.
\[\ce{\underset{Lactose}{C12H22O11} + H2O ->[H3O+][or Lactose] \underset{D-(+)-glucose}{C6H12O6} + \underset{D-(+)-galactose}{C6H12O6}}\]
Solution 2
When lactose (C12H22O11) undergoes hydrolysis, it yields glucose (C6H12O6) and galactose (C6H12O6).
Notes
Students can refer to the solution based on the marks given in the paper.
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