Question

During hydrolysis of sucrose direction of optical rotation changes from

Answer 1

As the sucrose is used up and the glucose-fructose mixture is formed, the angle of rotation to the right (as the observer looks into the polarimeter tube) becomes less and less, and finally the light is rotated to the left. ... The hydrolysis of sucrose into single sugars is necessary before the sugars can be metabolized.

Optical activity is measured using a polarized source and polarimeter. This is a tool particularly used in the sugar industry to measure the sugar concentration of syrup, and generally


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