Question

1.What hydrocarbons generally will undergo an immediate reaction with Br?


2.What hydrocarbons generally will undergo an immediate reaction with KMnO4

Choices for both are Alcohols,Alkanes, Alkenes, Aromatics

I think for 1. is at least Alkenes and maybe Aromatics and Alkanes.?

Answer 1

1. I think alkene is the answer. Aromatics undo a substitution reaction (addition for alkenes) but it requires UV light, or catalyst, or elevated Tand I don't consider that immediate I don't consider alcohols as a hydrocarbon.

2.http://www.chemguide.co.uk/organicprops/alkenes/kmno4.html
Aromatics don't degrade with KMnO4 as alkenes so.