Enumerate the reaction and facts of D - glucosewhichcannot be explaine – InterviewSolution

1.	Enumerate the reaction and facts of D - glucosewhichcannot be explained by its open chain structure .
Answer» Solution :REACTION of glucosethat cannot be explained byopen chain structure . (i)Glucose gives the characteristic reactiono of alcohols and carbonyl GROP (aldehydes and ketones). However it does not form ADDITION compoundwith ammonia and sodium bisulphiteand does not respond to 2,4-DNP TESTAND schiffs test . (ii) The penta - acetate of glucosedoes not react within hydroxyl amine indicating the absence of FREE - CHO group.

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