JEE Main Chemistry question

[UP SEE 2006] Glucose is a/an

(A)Polyhydroxy ketone
(B)Alcohol
(C)Hydrate of carbon
(D)Pentahydroxy aldehydeCorrect

Answer: (D)

Solution

Open-chain glucose, , is an aldohexose bearing five hydroxyl groups and one aldehyde group, which is precisely described as a pentahydroxy aldehyde. It is not a ketone (that describes fructose),

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Question ID VK-150607