JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements: Statement I : D-glucose pentaacelate reacts with 2,4-dinitrophenylhyJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements: Statement I : D-glucose pentaacelate reacts with 2,4-dinitrophenylhydrazine. Statement II : Starch, on heating with concentrated sulfuric acid at 100ºC and 2 – 3 atmosphere pressure produces glucose. In the light of the above statements, choose the correct answer from the options given below (A) Statement I is false but Statement II is true. (B) Statement I is true but Statement II is false. (C) Both Statement I and Statement II are false. (D) Both Statement I and Statement II are true.

Answer: A

💡 Solution & Explanation

Glucose pentacetate is highly stable acetal hence does not reacts with DNP

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