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  • A polysaccharide on boiling with <img alt="\mathrm{dil\; \mathrm{H}_{2} S \mathrm{O}_{4}}" sr

A polysaccharide \mathrm{'X'} on boiling with \mathrm{dil\; \mathrm{H}_{2} S \mathrm{O}_{4}} at \mathrm{393\: K}  under 2-3 atm pressure yielde \mathrm{\mathrm{'Y'} }.

\mathrm{\mathrm{'Y'} }on treatment with bromine water gives gluconic acid. \mathrm{\mathrm{'X'} } contains  \mathrm{\beta }-glycosidic linkages only. Compound \mathrm{'X'} is :

Option: 1

starch


Option: 2

cellulose


Option: 3

amylose


Option: 4

amylopectin


Answers (1)

best_answer

According to the question, \mathrm{'X'} is a polymer of only  \mathrm{\beta-D-Glucose}.

Hence, \mathrm{'X'} must be Cellulose.

Thus,  the correct answer is Option (2)

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