JEE Mains · Chemistry · STD 12 - 10. Biomolecules
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 \(100^{\circ} \mathrm{C}\) 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 Both Statement I and Statement II are false
- C Both Statement I and Statement II are true
- D Statement I is true but Statement II is false
Answer & Solution
Correct Answer
(A) Statement I is false but Statement II is true
Step-by-step Solution
Detailed explanation
- D-glucose pentaacetate do not react with 2.4 DNP - Starch \(\frac{\text { conc. } \mathrm{H}_2 \mathrm{SO}_4}{\Delta}\) Glucose \(\begin{gathered}2-3 \mathrm{~atm} \\ 100^{\circ} \mathrm{C}\end{gathered}\)
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