MHT CET 2024 Chemistry question

Which from following n mole molecules of carbohydrate contains 2n mole molecules of galactose, n moles of fructose in it?

(A)Lactose
(B)Raffinose
(C)Amylose
(D)StachyoseCorrect

Answer: (D)

Solution

Compare the monosaccharide composition of each carbohydrate. Lactose = 1 galactose + 1 glucose (no fructose). Raffinose is a trisaccharide = 1 galactose + 1 glucose + 1 fructose, so it has only (not )

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Question ID VK-092615