Which of the following statements regarding solutions and the is not correct?
a. in dilute solutions, the experimental van' t hoff factor for a molecule is always greater than 1.
b. nonideal behavior can occur in solutions containing ions when the ions do not behave as independent particles in solution.
c. as concentrations increase, the probability of ion pairing increases.
d. theoretical van 't hoff factors often predict colligative properties of solutions with concentrations of about 0.01 m or less.
e. the deviation from ideal behavior generally increases as the charge on dissolved ions
f. increases.