For a reverse phase chromatography, (a) Which of the following, 1:1 water:methanol; 1:1…


For a contrariety countenance chromatography, (a) Which of the following, 1:1 water:methanol; 1:1 water:acetone; 1:1 water:THF, has the highest ability in eluting a hydrophobic contaminant from a contrariety countenance column (use solvent properties in Table 10.3)? (b) Which of the following stationary countenance, unbonded silica, cyano, C3 , C8 , C18, has the strongest resistance for non-polar, non-ionic compounds?