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Silica

Which halogen...

Question

Which halogen can be purified by sublimation?

F_{2}

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C l_{2}

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B r_{2}

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I_{2}

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Solution

The correct option is D $I_{2}$
Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase..
At room temperature, fluorine and chlorine are gases, bromine is liquid, and iodine is solid. They form diatomic molecules in the pure state. Since, $I_{2}$ is solid at room temperature. It will be sublimated and remaining can not be sublimated
Hence, options D is correct.

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