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What is the chemical reaction between lugols solution and a starch?
The reaction between Lugol's solution (iodine) and starch forms a blue-black complex. Iodine molecules fit into the helical structure of starch molecules, producing this characteristic color change. This reaction is commonly used to test for the presence of starch in a solution.
What difference in bonding between the solid state and gaseous state of iodine?
Iodine molecule has covalent bonds.
What is the difference in atomic mass of iodine and magnesium?
Iodine is 127 and Magnesium is 24 so the difference is 103 atomic mass units.
Why does on aqueous solution of iodine will not react with an aqueous solution of potassium bromide.?
An aqueous solution of iodine (I₂) will not react with an aqueous solution of potassium bromide (KBr) because iodine is less reactive than bromine in terms of oxidation potential. In this case, iodine cannot oxidize bromide ions (Br⁻) to bromine (Br₂), as bromide is a stronger reducing agent. Therefore, no reaction occurs between the two solutions.
Is tincture of iodine a solution a colloid or suspension?
Tincture of iodine is a solution, as it consists of iodine dissolved in alcohol or water. In this mixture, the iodine molecules are evenly distributed at the molecular level, which is characteristic of a solution. It does not exhibit the properties of a colloid or a suspension, where particles would be suspended and potentially settle over time. Therefore, tincture of iodine is classified as a true solution.
What is the difference between strong iodine solution and weak iodine solution?
their color
What is the difference between iodine crystals and iodine solution?
Iodine crystals are solid, crystalline form of elemental iodine, while iodine solution is a liquid mixture of elemental iodine and either alcohol or water. Iodine crystals are typically used for storage and long-term preservation, while iodine solution is commonly used for disinfection and medical purposes.
What is the difference between iodine solution and starch solution?
Iodine solution is a brownish liquid used to test for the presence of starch, turning blue-black in the presence of starch. Starch solution, on the other hand, is a clear liquid made by dissolving starch in water.
What is the difference between iodine solution and Benedict's solution?
Iodine solution is used to test for the presence of starch, turning blue-black in the presence of starch. Benedict's solution is used to test for reducing sugars such as glucose, turning from blue to brick red in the presence of reducing sugars.
What is the difference between iodine and tincture iodine?
Iodine is a chemical element in its pure form, while tincture of iodine is a solution of iodine in alcohol. Tincture of iodine is commonly used as an antiseptic, whereas pure iodine is used in various industrial applications and in the synthesis of chemical compounds.
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.
What is difference between 0.1N iodine and 0.1 M iodine solutions?
I read this as a 1 molar solution, which is to say, a concentration of one mole of NaOH per liter of solution. If that is not what you mean, please don't abbreviate the words (whatever the M and the m stand for) and write them out in full. I don't know what else it would mean other than molar.
What is the reaction between iodine solution and ccl4?
When iodine solution is added to CCl4 (carbon tetrachloride), the iodine molecules dissolve in the CCl4 solvent because they are nonpolar molecules. This results in a solution with a distinct purple color due to the presence of iodine. However, there is no chemical reaction between the iodine and CCl4 in this case.
Is iodine solution ionic?
A solution of iodine is covalent.
What is the solution of tincture of iodine?
iodine
Is bread iodine solution a physical or chemical change?
Mixing bread with iodine solution to observe a color change is a physical change as it does not alter the chemical composition of the bread or the iodine solution. The color change occurs due to a physical interaction between the starch in the bread and the iodine molecules.
Is the weak iodine solution is tincture of iodine?
Yes, a weak iodine solution is often referred to as tincture of iodine. Tincture of iodine typically contains a 2% to 7% iodine solution in alcohol and water.
