That's considered illegal (chemical warfare is one of the reasons Assad is generally hated), and also:
THAT IS NOT HOW HARAM STUFF WORKS
Maybe the boar killing. I don't know. But for a muslim to go to hell for eating Haram stuff, they'd have to do it voluntarily, and without alternative. So, if they have the choice between eating pork or starving to death, it's cool. If they're force fed bacon, or eat it without knowing it, it's cool. If they get covered in pig blood before dying, it's cool.
Ordering a bacon cheeseburger at McDonald's is not cool.