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After the iodine is in gaseous form, contain and cap it off with an iced container to recollect it and turn it back into a solid by allowing the gas to rest. The temperature then has to be below 113.5°C in order to solidify.

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What is the purple gas which fills the test tube when heating an iodine?

The purple gas formed when heating solid iodine in a test tube is iodine vapor. Iodine sublimes directly from a solid to a gas when heated, turning into a purple gas that condenses back into solid iodine crystals when cooled.


The chemical equation of iodine solid to gas?

The chemical equation for the sublimation of iodine solid to iodine gas is: I2(s) -> I2(g). This represents the process in which solid iodine directly transforms into iodine gas without going through a liquid phase.


How do you separate a mixture of potassium chloride and iodine give details?

To separate a mixture of potassium chloride and iodine, you can use a process called sublimation. Iodine can be sublimed by heating the mixture, causing it to change from a solid directly to a gas. The iodine vapor can then be collected and condensed back into solid iodine. The remaining potassium chloride will be left behind as a solid.


What state is iodine at room temperature?

Iodine is a solid when at 25 degrees centigrade (room temperature)


How does a solid iodine change when it is heated?

It gets further apart and turns into a pink purple colour


Is iodine a solid lidquid or gas?

Iodine is a solid at room temperature and pressure. It sublimes directly from a solid to a gas when heated without passing through a liquid phase.


At STP which element is a solid hydrogen or iodine?

At standard temperature and pressure (STP), iodine is a solid while hydrogen is a gas.


Why iodine exist in solid state but it is a gas?

Iodine sublimes (i.e., goes from a solid to a gas) at room temperature and atmospheric pressure. However, it will exist as a solid for a very long time if it is kept in a closed container. As the iodine solid sublimes, the pressure will increase slightly within the closed container which will cause the iodine gas to reach an equillibrium state with the solid iodine (i.e., there will not be an increase in the amount of iodine gas in the container).


If Iodine gas heated sublime into purple gas?

When iodine is heated, it sublimates, meaning it transitions directly from a solid to a gas without becoming a liquid. This gas appears purple due to the specific wavelengths of light absorbed and emitted by iodine molecules. The purple color is a characteristic feature of iodine vapor, making it easily identifiable. Upon cooling, the purple gas can condense back into solid iodine, forming dark purple crystals.


Is Iodine a soild or gas?

Elemental iodine is a solid. But it is a volatile solid in that chemists will use solid iodine in a chamber to "iodine stain" substances in thin layer chromatography. Thus iodine is like having a volatile solid.


Is iodine a colorless gas?

No, iodine is a violet coloured solid on heating it sublimed into violet gas.


When iodine crystals are heated and cooled in a hot water bath what happens?

When iodine crystals are heated, they sublimate directly from solid to gas without melting. As the hot iodine gas cools, it reverts back to solid form on the cooler surfaces of the container, forming iodine crystals again. This process is called sublimation.