What are the hydrolysis products of

(i) sucrose and (ii) lactose


Hydrolysis is the process of using water to break down a molecule into two parts. It is usually a type of decomposition reaction where one reactant is water, where water is used to break chemical bonds in the other reactant. It can be considered as reverse of a condensation reaction.

The general formula of a hydrolysis reaction is:
XY + H2O
XH + YOH


(i) On hydrolysis with dilute acids, sucrose yields an equimolecular mixture of α –D glucose and β–D-fructose.



(ii) The hydrolysis of lactose gives β–D-galactose and β–D-glucose as final products.



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