Objective: How do you kill ants instantly?

Which of the following solutions is more sound in terms of naive physics reasoning?

Select from: *You can make a cheap, easy pesticide just using vinegar and water. Mix a 50/50 solution of vinegar and water in a spray bottle. Spray it directly onto the ants to kill them, then wipe up the ants using a damp paper towel and discard them.. *You can make a cheap, easy pesticide just using vinegar and water. Mix a 50/50 solution of vinegar and water in a spray bottle. Spray it directly onto the ants to hurt them, then wipe up the ants using a damp paper towel and discard them..
You can make a cheap, easy pesticide just using vinegar and water. Mix a 50/50 solution of vinegar and water in a spray bottle. Spray it directly onto the ants to kill them, then wipe up the ants using a damp paper towel and discard them.