Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

Amylopectin is composed of

  1. A

    -D-glucose, C1—C4 and C2—C6 linkages

  2. B

    -D-glucose, C1—C4 and C2—C6 linkages

  3. C

    -D-glucose, C1—C4 and C1—C6 linkages

  4. D

    -D-glucose, C1—C4 and C1—C6 linkages

Solution

Starch is a polymer of -D-glucose. It has two components, namely

(i) Amylose and

(ii) Amylopectin

Amylose has only -1,4-glycosidic linkage and is a linear polymer

Amylopectin has -1, 6-glycosidic linkage in addition to -1,4-glycosidic linkage and is a cross-linked polymer.

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