what is the first and second step in a alkene halogenation reaction

Answer 1

Go to the following site, scroll about half way down the page. The site talks about halogenation in general, then gives you a site you can click on to obtain the mechanism. The mechanism you want is there.

Answer 2

what site dr bob

Answer 3

OOPS!
Sorry. Here it is.http://www.chemguide.co.uk/organicprops/alkenes/halogenation.html