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The enzyme invertase (sucrose) is allowed to act on a solution of sucrose until the optical rotation of the solution becomes zero. what fraction of the sucrose
The enzyme invertase (sucrose) is allowed to act on a solution of sucrose until the optical rotation of the solution becomes zero. What fraction of the sucrose has been hydrolyzed? a. 0.84 b. 0.63 C. 0 d. 1
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Anup Padwal Best Answer
0.63 You have to know the Optical Rotation of Glucose and Fructose. Let the resultant solution (after hydrolysis) contain ‘x’ D-Glucose and ‘(1-x)’ would be D-Fructose and the optical rotation of the solution is 0. The optical rotation of D-Glucose is +52.7 and that of D-Fructose is -92 So, 52.7(x) - 92(1-x) =0 x=.6333 so 63.33% of solution has been hydrolysed.