MHT CET 2023 Chemistry question

Which of the following phenomena is not explained by the open chain structure of glucose?

(A)Formation of pentaacetate of glucose with acetic anhydride
(B)Formation of oxime with hydroxylamine
(C)Formation of silver mirror with Tollen's reagent
(D)Existance of and forms of glucoseCorrect

Answer: (D)

Solution

The open-chain structure is a pentahydroxy aldehyde, . It explains the formation of a pentaacetate with acetic anhydride (five groups, a), the formation of an oxime with hydroxylamine (free , b) and the silver

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Question ID VK-096385