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Starch is insoluble in water. The commonest kind of iodine solution is known as tincture of iodine, which is an orangey-brown liquid. Please see the links.

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Q: What is the difference between iodine solution and starch solution?
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What is Iodine solution?

It tests for starch


What chemical is used to test for starch and what is the result if starch is present?

The chemical is called Iodine solution. If starch is present, the iodine solution will turn from amber to blue black.


A leaf was taken from a plant boiled with ethanol and tested with iodine solution what is it tested for?

Starch, I think, because iodine solution is the test for starch.


What is the chemical used to test for the presence of starch?

The chemical used to test for the presence of starch is iodine.


What is the difference between starch solution and iodine solution?

Starch is composed of amylose and amylopectin, and is not soluble in water due to the presence of amylopectinIodine (I₂) is somewhat soluble in water, but is more soluble in iodide (I⁻) solutions, such as potassium iodide solution (KI).Aqueous iodine molecules (I₂) and iodide ions (I⁻) together will form triiodide ions (I₃⁻), which can react with amylose found in starch to produce a deep-blue colour in the solution. So all of iodide (I⁻), iodine (I₂) and amylose (or starch) are required together to produce the colour.This can be used to test for:Amylose/Starch: Add iodine dissolved in potassium iodide solution to test solution, orIodine: Add starch and potassium iodide solutions to test solution.If the substance being tested for is present, then triiodide ions (I₃⁻) can react with amylose (in starch) to produce a deep-blue colour, that is, a positive result.

Related questions

What is the chemical reaction between lugols solution and a starch?

Iodine


What indicator substance is used to test a leaf for starch?

Iodine Solution is used to determine whether starch is present.


What is in Iodine solution?

It tests for starch


What is Iodine solution?

It tests for starch


What chemical is used to test for starch and what is the result if starch is present?

The chemical is called Iodine solution. If starch is present, the iodine solution will turn from amber to blue black.


A leaf was taken from a plant boiled with ethanol and tested with iodine solution what is it tested for?

Starch, I think, because iodine solution is the test for starch.


What is the organic compound that reacts when iodine is added to starch solution?

starch


What substance is used to test for starch?

The presence of starch can be tested with the help of Iodine. Similarly Benedict's test solution is also used to detect the presence of starch.


Which white powder turns blue-black in iodine solution?

starch


What is the chemical used to test for the presence of starch?

The chemical used to test for the presence of starch is iodine.


Why do you need to add iodine solution to a specimen?

Iodine solution is commonly used to test for starch. If starch is present in a substance (e.g. a leaf which undergone photosynthesis) then the iodien solution would turn blue black. If no starch is present then it remains as light brown.


What is the difference between starch solution and iodine solution?

Starch is composed of amylose and amylopectin, and is not soluble in water due to the presence of amylopectinIodine (I₂) is somewhat soluble in water, but is more soluble in iodide (I⁻) solutions, such as potassium iodide solution (KI).Aqueous iodine molecules (I₂) and iodide ions (I⁻) together will form triiodide ions (I₃⁻), which can react with amylose found in starch to produce a deep-blue colour in the solution. So all of iodide (I⁻), iodine (I₂) and amylose (or starch) are required together to produce the colour.This can be used to test for:Amylose/Starch: Add iodine dissolved in potassium iodide solution to test solution, orIodine: Add starch and potassium iodide solutions to test solution.If the substance being tested for is present, then triiodide ions (I₃⁻) can react with amylose (in starch) to produce a deep-blue colour, that is, a positive result.