1.

Explainthe methodsof preparationoffructose withequations.

Answer»

Solution :(i) Fructosein obtainedfromsucroseby heatingwithdilute`H_(2)SO_(4)` (or) withthe enzymeinvertase.
`UNDERSET("Sucrose")(C_(12)H_(22)O_(11))+ H_(2)OUNDERSET("Invertase")underset("(or)") overset("dilute")overset(H_(2)SO_(4)) tounderset("Glucose ")(C_(6)H_(12)O_(6)) +underset("Fructose")(C_(6)H_(12)O_(6))`
(ii) Fructose is prepared commerciallyby thehydrolysis of Inulin (a POLYSACCHARIDE ) in acidicmedium .
`underset("Inulin")((C_(6)H_(10)O_(5))_(n)) + nH_(2)O overset(H+) tounderset("Fructose")(nC_(6)H_(12)O_(6))`


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