MHT CET 2026 Chemistry question

The reaction of glucose with acetic Anhydride confirms the

(A)straight chain structure of glucose
(B)presence of carbonyl group
(C)presence of keto group
(D)presence of five hydroxyl groupCorrect

Answer: (D)

Solution

Glucose reacts with acetic anhydride to form glucose pentaacetate (a penta-acetyl derivative): , i.e. five groups are acetylated. This shows the presence of five hydroxyl groups in glucose, option (D). The straight-chain

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Question ID VK-096251