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Iodine is held by the weakest bond - Van der Waals - because it is a covalent nonmetal substance.
Iodine also has low vapor pressure. Once Iodine reaches a certain point, there's not enough force holding the molecules together to even make a liquid. Instead, they escape and become a gas.
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Does solid iodine give blue gas on sublimation?
Yes, solid iodine sublimes directly to a purple vapor, not blue.
Iodine sublimes to iodine vapor is physical or chemical change?
Sublimation of iodine to iodine vapor is a physical change. It is a phase transition in which a substance goes directly from a solid to a gas without changing its chemical composition.
What state of matter is iodine at room temperature?
Iodine is a solid at room temperature. It sublimes directly from a solid to a gas without passing through a liquid phase.
What is the obtained form of iodine?
The obtained form of iodine is a lustrous, purple-black solid that sublimes into a violet gas when heated.
Is iodine malleable or brittle?
Iodine is neither malleable nor brittle as it is a non-metallic element at room temperature and pressure. It is a brittle solid that easily sublimes into a purple vapor.
