JEE Main Chemistry question

Cane sugar is made of:

(A)5-membered glucose ring and 5-membered fructose ring
(B)6-membered glucose ring and 6-membered fructose ring
(C)6-membered glucose ring and 5-membered fructose ringCorrect
(D)5-membered glucose ring and 6-membered fructose ring

Answer: (C)

Solution

Sucrose (cane sugar) is a non-reducing disaccharide composed of -D-glucopyranose (a 6-membered pyranose ring) and -D-fructofuranose (a 5-membered furanose ring) joined via an glycosidic linkage. Hence option (c)

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Question ID VK-151069