The incorrect statement regarding cellulose is:

It is a polymer of D-glucose

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It has

β - 1

, 4-glycosidic linkage

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It is used for making rayon fibre

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It can be obtained by polymerisation of D-glucose

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Solution

The correct option is D It can be obtained by polymerisation of D-glucose
Cellulose for industrial use is mainly obtained from wood pulp and cotton. It is not synthesized from the polymerisation of D-glucose. Cellulose is a polymer of D-glucose and has $β -$ 1, 4-glycosidic linkage.

It is used for making rayon fibre in the laboratory. Because rayon is manufactured from naturally occurring polymers (cellulose), it is considered a semi-synthetic fibre.

Hence, option D is an incorrect statement.

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Similar questions

Q. Assertion :Cellulose is not digested by human beings Reason: Cellulose is a polymer of

β

-D-glucose

Glycogen is a branched chain polymer of $α - D$ glucose units in which chain is formed by C1-C4 glycosidic linkage whereas branching occurs by the formation of C1-C6 glycosidic linkage. Structure of glycogen is similar to .............. .
(a) amylose (b) amylopectin (c) cellulose (d) glucose

Q. Assertion (A): Cellulose is not digested by human beings.
Reason (R): Cellulose is a polymer of