BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Glucose is correctly named as D(+)-glucose. ‘ D’ before the name of glucose represents the configuration whereas ‘(+)’ represents dextrorotatory nature of the molecule. Hence, Assertion is correct but Reason is incorrect.

Detailed explanation-2: -Whether in water or the solid form, d-(+)-glucose is dextrorotatory, meaning it will rotate the direction of polarized light clockwise as seen looking toward the light source.

Detailed explanation-3: -Glucose is also named D(+)glucose; D represents the configuration, whereas the sign ‘(+)’ represents the dextrorotatory nature of the glucose molecule.

Detailed explanation-4: -Assertion : Glucose is correctly named as D-(+)-glucose. ‘ 3 Reason : ‘D’ before the name of glucose represents its dextrorotatory nature. Assertion: A solution of sucrose in water is dextrorotatory but on hydrolysis in presence of little hydrochloric acid, it becomes laevorotatory.

Detailed explanation-5: -Glucose is correctly named as D(+)-gluco cose D’before the name or glucose represents the configuration represes epresents the configuration whereas dextrorotatorin clorotatory nature of the molecule.