JEE Main202528 Jan 2025Morning ShiftChemistryBiomoleculesActual
Given below are two statements: 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
Options
- AStatement I is false but Statement II is true
- BBoth Statement I and Statement II are false
- CBoth Statement I and Statement II are true
- DStatement I is true but Statement II is false
Correct answer
A. Statement I is false but Statement II is true
Step-by-step solution
- D-glucose pentaacetate do not react with 2.4 DNP - Starch conc. H ₂ SO ₄ Glucose gathered 2-3 ~atm 100^ C gathered