JEE Main 2025 Chemistry question

ChemistryBiomoleculesJEE Main 2025

Statement I : D-glucose pentaacetate reacts with 2, 4-dinitrophenylhydrazine. Statement II : Starch, on heating with concentrated sulfuric acid at 100°C and 2-3 atmosphere pressure produces glucose. In the light of the above statements, choose the correct answer from the options given below

Answer: (2)

Solution

D-glucose pentaacetate has no free aldehyde group (blocked by acetylation) so it

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Question ID VK-002187