Question

Assertion (A): Starch forms a colloidal solution with water.

Reason (R): Starch contains 80-85% of amylopectin, which is insoluble in water.

Select the most appropriate answer from the options given below:

Options

• Both A and R are true, and R is the correct explanation of A.

• Both A and R are true, and R is not the correct explanation of A.

• A is true but R is false.

• A is false but R is true.

Answer 1

Both A and R are true, and R is the correct explanation of A.

Explanation:

In starch, the major component is 80-85% amylopectin, which is insoluble in water. Hence, starch is not completely soluble in water and forms a colloidal solution.