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Why iodine place in dark color bottles?
Iodine is stored in dark-colored bottles to protect it from light, which can degrade the iodine molecules and reduce its effectiveness. Light exposure can cause iodine to evaporate or break down chemically, compromising its stability and potency. Keeping iodine in dark bottles helps to maintain its quality and extend its shelf life.
Where does the chemical reaction between thyroglobulin and iodine take place?
The chemical reaction between thyroglobulin and iodine takes place inside the thyroid follicles of the thyroid gland. Thyroglobulin, a protein produced by the thyroid gland, acts as a substrate for iodine molecules to attach and form thyroid hormones like thyroxine (T4) and triiodothyronine (T3).
How can you prepare Iodine monochloride?
Preparation of iodine monochloride entails simply combining the halogens in a 1:1 molar ratio, according to the equation :- I2 + Cl2 → 2 ICl (iodine) + (chlorine) → (iodine monochloride)
What color does sugar turn when you add iodine to it?
Well, isn't that just a happy little accident! When you add iodine to sugar, it turns a dark purple or black color. It's like a beautiful, unexpected transformation right before your eyes. Just remember, every color has its place in the palette of life.
If chlorine gas is bubbled through an aqueous solution of sodium iodide the result is elemental iodine and aqueous sodium chloride solution what kind of reaction took place?
The reaction is a redox reaction where chlorine is reduced to chloride ions and iodide ions are oxidized to elemental iodine. Overall, it is a displacement reaction where chlorine displaces iodine from sodium iodide to form sodium chloride and elemental iodine.
Why did Mendeleev swap Tellurium and Iodine around?
Mendeleev swapped Tellurium and Iodine in his periodic table to maintain the chemical properties of elements within the same group. Even though Tellurium has a higher atomic mass than Iodine, their chemical properties are more similar when placed in the switched positions, following Mendeleev's periodic law.
Why did Mendeleev place iodine in the same group as fluorine?
Mendeleev placed iodine in the same group as fluorine because both elements have similar chemical properties, such as forming compounds with similar stoichiometry and showing similar reactivity patterns. This classification allowed Mendeleev to identify a pattern in the properties of elements and lay the foundation for the modern periodic table.
What place is Dmitri Mendeleev in the birth order?
Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia.
What place was Dmitri Mendeleev in the birth order?
Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia.
How did mendeleev place arsenic and selenium?
Mendeleev placed arsenic before selenium in his periodic table based on their atomic weights and chemical properties. Arsenic has a lower atomic weight and exhibits similar chemical behavior to other elements in its group, making it a better match for the position before selenium.
What happen to iodine when you place its covered container in a warm place?
When you place a covered container of iodine in a warm place, the iodine will sublimate, meaning it will change from a solid to a gas without passing through the liquid phase. This is due to the low melting point of iodine, which is below room temperature.
What is the test for chlorophyll?
place a leave in a glass of iodine (brown colour), if it turns the iodine green its means chlorophyll is present. (iodine will evaporate the chlorophyll out of the plant)
What happens to iodine when you place its covered container in a warm place?
Placing iodine covered in a warm place could cause sublimation to a cool spot on the container - if the temperature is even on the container walls, if the temperature is warm enough the violet colour of gaseous iodine may be visible.
What result is yield when iodine place in potato juice?
When iodine is placed in potato juice it turns dark purple to black. It's the starch in potatoes that reacts with the iodine.
What happens to iodine when you place it's covered container in a warm place?
Placing iodine covered in a warm place could cause sublimation to a cool spot on the container - if the temperature is even on the container walls, if the temperature is warm enough the violet colour of gaseous iodine may be visible.
What contrast media can be used in place of iodine?
LOM can be used as x-ray contrast media in patients allergic to iodine.
Does iodine tincture expire and if so, what is the shelf life of iodine tincture?
Yes, iodine tincture does expire. The shelf life of iodine tincture is typically around 3 to 5 years if stored properly in a cool, dark place.
