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when iodine crysatals are heated, they turn from a solid into a gas (vapour). They start a black colour and as they gradually turn into a gas, they turn to a purple colour. At the end, there are no crystals left.

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15y ago

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What happens when you add iodine crystal and chloroform?

iodine is soluble in CHCl3. Liquid become purple in color.


Is iodine crystal same with iodine resublimed?

No, these are two different things. They will have slightly different chemical equations to show the differences that arise.


Is iodine crystal an ionic or molecular crystal?

Iodine crystal is a molecular crystal. It consists of individual iodine molecules held together by van der Waals forces, rather than ionic bonds between ions.


What happens if you burn a cyrstal?

When you burn a crystal, it can release toxic fumes, especially if it contains certain elements like lead or sulfur. Additionally, the crystal can also shatter or crack due to the high heat. It is not recommended to burn crystals for these reasons.


Can you put iodine on a burn?

No, it is not recommended to put iodine on a burn. Iodine can further irritate the burn and delay the healing process. It is better to clean the burn with mild soap and water, and then cover it with a sterile bandage. If the burn is severe, seek medical attention.


Describe the bonding in a crystal of iodine?

iodine is made from diatomic iodine molecules,the two iodine atoms are covalently bonded with each other.the iodine molecules have dispersion forces so,the crystal is made from the dispersion forces between the iodine molecule.


What is the secondary stain in gram stain procedure?

It is crystal violet & stains all cells purple.


What test could you do on an iodine crystal to comfirm thst iodine is a non metal?

You can conduct a conductivity test on an iodine crystal to confirm that iodine is a non-metal. If the crystal does not conduct electricity, it indicates that iodine is a non-metal because non-metals are typically poor conductors of electricity.


Name an element that exists in a crystal lattice at stp?

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What happens when iodine crystals are placed in water?

When iodine crystals are placed in water, they slowly dissolve to form an iodine solution. This solution will have a characteristic brown color, indicating the presence of iodine. Iodine is sparingly soluble in water, so the reaction may take some time to reach equilibrium.


What is the action of iodine in grams stain?

Iodine is used to bind the Crystal Violet to the Gram Positive microbes.


Why is Iodine used in Gram staining?

Iodine is used in Gram staining as a mordant, which helps to bind the crystal violet dye to the cell wall of bacteria. This mordant-iodine complex forms larger complexes with the crystal violet dye, making it difficult for the dye to be washed away during the decolorization step. This allows for differentiation of Gram-positive and Gram-negative bacteria based on their ability to retain the crystal violet dye.