A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following

statements are correct regarding the behavior of the solution?

(1) The solution formed is an ideal solution

(2) The solution is non-ideal, showing positive d&viation from Raoults law

(3) The solution is non-ideal, showing negative deviation from Raoults law

(4) n-heptane shows positive deviation while ethanol show negative deviation from Raoults law