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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.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agowhat happens when you burn an iodine crystal?=when you burn an iodine crystal it lets off a purple gas that soon evaporates, but if you put a cold surface by the gas then it will condense into a solid again.=
Wiki User
∙ 12y agoThey sublime due to weak intermolecular forces (as I2 is non polar) so the forces are broken easily so instead of turning inot a liquid they turn into a gas from
Olympia Seymour
During the heating of the iodine crystal,the crystal as turned into purple vapour.Then when the vapour cooled
Wiki User
∙ 11y agoit changes to a poo like clour
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What is the difference between iodine crystals and iodine solution?
Iodine crystal is solid Iodine. Iodine solution is when Iodine crystals are dissolved in water.
Is iodine crystal an ionic or molecular crystal?
it has molecular crystals
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.
Functions of iodine?
Iodine act as modrant for crystal violet and helps its attachement more firmly.
Does iodine react to iodine?
No. If it did, it'd spontaneously boil, fume of burn in its container.
What happens when you add iodine crystal and chloroform?
iodine is soluble in CHCl3. Liquid become purple in color.
What happens when iodine crystals are placed in water?
They will dissolve until the water is saturated then the remaining crystal will stay intact.
Why is Iodine used in Gram staining?
Iodine is added as a mordant to enhance crystal violet staining by forming a crystal violet-iodine complex.
What is the difference between iodine crystals and iodine solution?
Iodine crystal is solid Iodine. Iodine solution is when Iodine crystals are dissolved in water.
Is iodine crystal an ionic or molecular crystal?
it has molecular crystals
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.
Name an element that exists in a crystal lattice at stp?
iodine
What is appearance crystal iodine?
The appearance of iodine crystals: lustrous, metallic, gray.
What is the secondary stain in gram stain procedure?
It is crystal violet & stains all cells purple.
Functions of iodine?
Iodine act as modrant for crystal violet and helps its attachement more firmly.
Does iodine react to iodine?
No. If it did, it'd spontaneously boil, fume of burn in its container.
What happens if grams iodine is not applied after staining with crystal violet?
If the iodine in the Gram's stain was omitted, the crystal violet which enters the cell will not be able to form the Crystal Violet Iodine (CVI) complex. The CVI complex molecule has a larger size than that of Crystal violet molecule and hence Gram +ve bacteria are able to retain the stain. If iodine were omitted, even Gram+ve cells would get decolorised by Alcohol treatment and would be seen as Gram-ve cells.
