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NEET levelSingle correct optionDifficulty 1 of 3ph003

The colour of iodine vapour is

Agreenish yellow
Bviolet
Cpale yellow
Dreddish brown

Answer: B

Iodine is a dark grey solid which sublimes on warming to give violet vapour. The other colours belong to

Cl X_{2}

,

Br X_{2}

and

F X_{2}

respectively.

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