Halogen lamps are fitted to many modern cars. Right after these lamps are switched on, a noticeable purple colour can be observed. Which species is causing this purple colour?
- A$\text{I}_2(s)$
- B$\text{I}_2(l)$
- C$\text{I}_2(g)$
- D$\text{I}(g)$
Chemistry 9701 · AS & A Level · Group 17