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JEE CHEMISTRY MCQ: BIOMOLECULES
1
Medium
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Analyzing
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Assertion (A): A solution of sucrose on hydrolysis becomes laevorotatory from dextrorotatory.
Reason (R): Sucrose on hydrolysis gives more number of glucose units due to which sign of rotation is changed.
Reason (R): Sucrose on hydrolysis gives more number of glucose units due to which sign of rotation is changed.
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Correct option: C
Assertion (A) is true, but Reason (R) is false
Option C (Assertion (A) is true, but Reason (R) is false) is correct because sucrose does become levorotatory upon hydrolysis, but this is due to fructose's higher negative rotation, not the number of glucose units.
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