Question

What is Iodine test of starch

Answer 1

The iodine test is used to test for the presence of starch. Starch turns an intense "blue-black" colour upon addition of aqueous solutions of the triiodide anion, due to the formation of an intermolecular charge-transfer complex. In the absence of starch, the brown colour of the aqueous solution remains.

Answer 2

Answer:

1. Take a small quantity of food or a raw ingredient.
2. Put 2-3 drops of Iodine Solution on it.
3. Wait for a few seconds.

Do you see that the item has turned blue-black?If yes,it contains starch.