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Iodine can form a complex with starch molecules in a reaction called the iodine test, where the starch-iodine complex turns blue-black in color. Disaccharides, such as sucrose and lactose, do not typically react with iodine in the same way as starch due to their different chemical structures.
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How does iodine react with acid?
Iodine does not directly react with acids. However, when iodine is added to an acid solution, it can form hypoiodous acid (HOI) which is a weak acid. This reaction can be used in analytical chemistry to detect the presence of iodine.
Can rubidium react with iodine?
Yes. Rubidium is an alkali metal in the sodium group. It will react with iodine to form rubidium iodide:- 2Rb+ I2 -> 2RbI
Does iodine react in hydrochloric acid solution?
Iodine will will not react with hydroelectric acid
What food doesn't react with iodine?
It's very likely that Iodine will react with plant products, since Iodine reacts with starch. Negative controls (glucose, water, and protein) could be used to verify the result.
What parts of a leaf does not react to iodine?
The waxy cuticle and the upper epidermis of a leaf do not react to iodine because iodine cannot penetrate these barriers to reach the underlying starch-containing cells.
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.
How does iodine react with acid?
Iodine does not directly react with acids. However, when iodine is added to an acid solution, it can form hypoiodous acid (HOI) which is a weak acid. This reaction can be used in analytical chemistry to detect the presence of iodine.
Can rubidium react with iodine?
Yes. Rubidium is an alkali metal in the sodium group. It will react with iodine to form rubidium iodide:- 2Rb+ I2 -> 2RbI
How does iodine react with baby powder?
Iodine does not react with baby powder. Baby powder is usually made of talc or cornstarch, which are inert substances and do not participate in chemical reactions with iodine.
Why is the molisch test slower with disaccharides?
The Molisch test detects carbohydrates by breaking them down to monosaccharides. Disaccharides need to be hydrolyzed into their constituent monosaccharides before they can react with the Molisch reagent, which makes the test slower compared to monosaccharides that can react directly.
Does iodine react in hydrochloric acid solution?
Iodine will will not react with hydroelectric acid
Does Sodium Iodide react with Iodine?
Yes
What food doesn't react with iodine?
It's very likely that Iodine will react with plant products, since Iodine reacts with starch. Negative controls (glucose, water, and protein) could be used to verify the result.
What parts of a leaf does not react to iodine?
The waxy cuticle and the upper epidermis of a leaf do not react to iodine because iodine cannot penetrate these barriers to reach the underlying starch-containing cells.
Does iodine react to iodine?
Iodine does not react with itself under normal conditions because it is a non-metal element that exists naturally as diatomic molecules (I2). However, it can react with other substances to form compounds.
What carbohydrate does not react with Iodine or Benedict's solution?
Sucrose
