Biology, asked by ppsingh1431, 1 month ago

In the presence of starch the light brown color of iodine solution changes to

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Answered by helper016455

2

Answer:

Starch is the storage food reserve of a plant which is mainly present in the leaf. When its presence is tested by Iodine, It forms a blue- black color complex of starch Iodide. The iodine/starch complex has energy level spacings that are just so for absorbing visible light giving the complex its intense blue color.

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