For an ideal solution, the enthalpy change of mixing (left(Delta H_{text {mix }} ight)) is always given

For an ideal solution, the enthalpy change of mixing \(\left(\Delta H_{\text {mix }}\right)\) is always given by

(a) \(\Delta H_{\text {mix }}=1\)

(c) \(\Delta H_{\text {mix }}=-1\)

(b) \(\Delta H_{\text {mix }}=0\)

(d) \(\Delta H_{\text {mix }}=\infty\).