31. The resolution of chromatographic separation increases as the amount of time between the elutions of each of the components increases. Based on the results of Experiments 1 and 2, which of the following sets of conditions had the greatest resolution for the separation of the mixture?
Your Answer is
Correct Answer is D
Explanation
Look at figure 2 first, for normal phase, the longest elution time is solvent III;
Look at figure 3 again, for reverse-phase, the longest elution time is solvent I