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QJEEM22Ch3a49: JEE Main 2022 Chemistry - Class 12 JEEM22Ch3a49 Solution: A polysaccharide 'X' on boiling with dil H 2 SO 4 at 393 K…

A polysaccharide 'X' on boiling with dil H2SO4 at 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water gives gluconic acid. 'X' contains β-glycosidic linkages only. Compound 'X' is :

Multiple Choice Options

  • A starch
  • B cellulose
  • C amylose
  • D amylopectin

Step-by-Step Verified Solution

Cellulose contains β\beta -glycosidic linkages only. Structure of cellulose

JEE Main 2022 (Online) 24th June Morning Shift Chemistry - Biomolecules Question 69 English Explanation
On boiling with dil. H2SO4\mathrm{H}_{2} \mathrm{SO}_{4} at 393 K393 \mathrm{~K} under 2-3 atm, ' XX ' forms glucose, which given gluconic acid on treatment with bromine water.

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