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JEE Main Chemistry Class 12 Biomolecules Part 2 Questions
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Question : 44
Total: 65
A polysaccharide '
X
' on boiling with dil
H
2
SO
4
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 :
[24-Jun-2022-Shift-1]
starch
cellulose
amylose
amylopectin
Validate
Solution:
Cellulose contains
β
-glycosidic linkages only. Structure of cellulose
On boiling with dil.
H
2
SO
4
at
393
K
under 2-3 atm, '
X
' forms glucose, which given gluconic acid on treatment with bromine water.
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