9. Using 50% (v/v) methanol/water as a mobile phase and a C-18 liquid chromatographic column, the order of elution of the following analytes: (1): 2,4,6 tri-nitro phenol (highly polar), (2): p- methyl phenol (low polarity) and (3): p-nitro phenol (medium polarity) is (1 Point) (1) followed by (3) followed by (2) (3) followed by (2) followed by (1) (2) followed by (1) followed by (3) (3) followed by (1) followed by (2) (1) followed by (2) followed by (3)