Couple problems with that.
#1 Alcohol will boil before water, making a heavier than air flammable vapor, which in turn will sink to the ignition source which in your case is the hot plate or stove burner. The results from that will probably scar you for life unless you happen to be taking a breath when this thing does its trick, prolly burn those lungs lay in the hospital for 2 weeks then die from pneumonia.
Also burning alcohol has a very hot flame which most of the time is invisiable. Might remember seeing a straw broom around when they are running alcohol race cars, this is to see if you have a fire before you walk right into the middle of it in the pits.
Bottom line is don't screw with flammable liquids or gases.
Later
Steve