$\begin{array}{1 1}\text{The solution formed is an ideal solution}\\\text{The solution formed is nonideal solution with positive deviations from Raoult's law}\\\text{The solution formed is nonideal solution with negative deviations from Raoult's law}\\\text{n-Heptane exhibits positive deviation whereas ethyl alcohol exhibits negative deviation from Raoult's law}\end{array} $