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When a certain sugar is tested with an iodine solution can you tell what type it is?

Yes, when a sugar is tested with an iodine solution, it can help determine the type of sugar present. Starch will typically turn blue-black in the presence of iodine, indicating its presence in the sample being tested. Other sugars like glucose or fructose will not react with iodine in the same way.


Why does iodine react with sugar?

Iodine reacts with sugar due to a chemical reaction called iodine starch reaction. Iodine forms a complex with starch molecules, giving a characteristic blue-black color. As sugar molecules can also form a complex with iodine, they can interfere with the reaction, leading to a color change.


What carbohydrate does not react with Iodine or Benedict's solution?

Sucrose


Is there a reaction between astatine and sodium iodine solution?

Yes, astatine can react with sodium iodine solution to form sodium astatide and iodine gas. This reaction is a displacement reaction where astatine displaces iodine from the sodium iodine solution.


Is mixing sugar with iodine solution a chemical change or a physical change?

Mixing sugar with iodine solution is a physical change because no new substances are formed. The sugar and iodine solution retain their individual chemical properties even when mixed together.


How can you tell by using iodine if a sugar is a monosaccharide disaccharide or polysaccharide?

Adding iodine to the solution will turn it a deep blue which indicate presence of polysaccharides.


Do iodine and lithium bromide react?

Iodine and lithium bromide do not react with each other. However, iodine can form a complex with lithium ions in a solution containing lithium bromide.


Why does a sugar solution turn brown when Iodine is added?

Because Iodine is a brown element.


What happens if you mix powdered sugar and iodine together?

Mixing powdered sugar and iodine will not have any significant reaction, as iodine is not a strong enough oxidizing agent to react with the sugar. The two substances will likely remain as separate particles with the iodine coloring the sugar.


Iodine solution can be used to test for sugar?

Iodine solution is commonly used as a reagent to test for the presence of starch, not sugar. When iodine solution is added to a sample containing starch, it will turn blue-black if starch is present. Testing for sugar is typically done using reagents such as Benedict's solution or Fehling's solution.


Why does an aqueous solution of iodine not react with potassium chloride?

Iodine is not reactive with potassium chloride in an aqueous solution because iodine is less reactive than chlorine. Chlorine is more likely to react with potassium to form potassium chloride, leaving the iodine unreacted.


What is the acid value of iodine solution?

The acid value of iodine solution represents the amount of free iodine present in the solution, which is a measure of its ability to oxidize or react with other substances. It is typically expressed in terms of grams of iodine per 100 milliliters of solution.