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Which form of glucose is obtained by crystallization from hot and saturated aqueous solution at 371K?(a) D-form(b) L-form(c) α-form(d) β-formI had been asked this question in an internship interview.I want to ask this question from Biomolecules Carbohydrates topic in section Biomolecules of Chemistry – Class 12

Answer»

The correct choice is (d) β-form

The explanation is: When a saturated aqueous solution is heated to about 100°C and then crystallized, the β-form of glucose is obtained. On the other hand, a CONCENTRATED solution at ROOM temperature on CRYSTALLIZATION gives α-form.



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