What happens when iodine is heated .give balanced equation
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Answer:When Iodine crystals are heated, the van der Waals forces are easily overcome and the molecule breaks into the gas phase. They sublime and form a purple coloured dense vapour.
When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO
4
) there takes reaction between them and copper sulphate changes its color from blue to light green. This shows Iron is more reactive than Copper, it can replace Copper from CuSO
4
.
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