Sucrose is a _______ compound and the product mixture obtained from its hydrolysis is _______ in nature.(a) dextrorotatory; dextrorotatory(b) dextrorotatory; laevorotatory(c) laevorotatory; dextrorotatory(d) laevorotatory; laevorotatoryThe question was posed to me in semester exam.The question is from Biomolecules Carbohydrates topic in division Biomolecules of Chemistry – Class 12

Sucrose is a _______ compound and the product mixture obtained from it

1.	Sucrose is a _______ compound and the product mixture obtained from its hydrolysis is _______ in nature.(a) dextrorotatory; dextrorotatory(b) dextrorotatory; laevorotatory(c) laevorotatory; dextrorotatory(d) laevorotatory; laevorotatoryThe question was posed to me in semester exam.The question is from Biomolecules Carbohydrates topic in division Biomolecules of Chemistry – Class 12
Answer» Right CHOICE is (b) dextrorotatory; LAEVOROTATORY For explanation I would say: Sucrose is dextrorotatory but on hydrolysis GIVES a mixture dextrorotatory glucose and laevorotatory fructose. Since, the specific rotation of fructose is greater than that of glucose, the RESULTANT mixture is laevorotatory.

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