JEE Main Chemistry question

Pyranose structure of glucose is:

(A)HexagonalCorrect
(B)Pentagonal
(C)Linear
(D)Tetrahedral

Answer: (A)

Solution

The pyranose (cyclic hemiacetal) form of glucose is a six-membered ring (five carbons plus the ring oxygen), conventionally drawn as a hexagon in the Haworth projection. It is not pentagonal (that would

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Question ID VK-151224