Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

When iodine is heated, a vapour forms. Which row in the table correctly states the species present in the vapour and its colour?

  • A$\text{I}(g)$, brown
  • B$\text{I}(g)$, purple
  • C$\text{I}_2(g)$, brown
  • D$\text{I}_2(g)$, purple

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