For a lab, I had to react toulene with 1% I2 in dichloromethane. Would HI form as a result of this?

Logically, I think there would be no reaction because toulene looks too stable. But a colour change occured. Why would this happen?

2 answers

Sorry, I meant hexane and not toulene.

For hexane, I would expect a reaction to occur, but the colour stayed dark purplish. Would HI form here?
If the color stayed dark purple, that would tell me no reaction occurred, or at least would give me a strong hint in that direction.