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JEE Main 202224 JuneMorning Shift
Exam
JEE Main
Year
2022
Date
24 June
Shift
Morning Shift
Subject
Chemistry
Chapter
Biomolecules

JEE Main 2022 · 24 June · Morning Shift · Chemistry · Biomolecules

A polysaccharide ' X ' on boiling with dil H _ 2 SO _ 4 at 393K...

A polysaccharide 'XX' on boiling with dil H2SO4{H}_{2}{SO}_{4} at 393K393K under 2−3atm2 - 3atm pressure yields 'YY' 'YY' on treatment with bromine water gives gluconic acid. 'XX' contains β\beta-glycosidic linkages only. Compound 'XX' is :A polysaccharide ' X ' on boiling with dil H _ 2 SO _ 4 at 393K under 2 - 3atm pressure yields ' Y ' ' Y ' on treatmentA polysaccharide ' X ' on boiling with dil H _ 2 SO _ 4 at 393K under 2 - 3atm pressure yields ' Y ' ' Y ' on treatment

Options

  1. Astarch
  2. Bcellulose
  3. Camylose
  4. Damylopectin

Correct answer

B. cellulose

Step-by-step solution

Cellulose, (C6H10O5)n{\left({C}_{6}{H}_{10}{O}_{5}\right)}_{n}

A polysaccharide ' X ' on boiling with dil H _ 2 SO _ 4 at 393K under 2 - 3atm pressure yields ' Y ' ' Y ' on treatment

A polysaccharide ' X ' on boiling with dil H _ 2 SO _ 4 at 393K under 2 - 3atm pressure yields ' Y ' ' Y ' on treatment

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