Question

Why is iodine solution used in the starch test?

Answer 1

Answer:

Iodine is used as a test for starch (both linear Amylose and branched Amylopectin) because of the distinct colour change, deep orange to dark blue, that occurs when it forms a polyiodide complex with certain polysaccharides

Explanation:

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Answer 2

Answer:

Iodine is used as a test for starch (both linear Amylose and branched Amylopectin) because of the distinct colour change, deep orange to dark blue, that occurs when it forms a polyiodide complex with certain polysaccharides. Please note that it is not a test for Cellulose due to the different structure of this polysaccharide.

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