9th Grade Honors Biology Question: An extract of red coleus leaves is prepared in a solvent consisting of a mixture of acetone and ether. The chromatogram obtained from the extract shows green and yellow pigments but no red pigments. a. Why is the red pigment absent from the chromatogram? b. Why can the green color of chlorophyll not be seen in a red coleus leaf? c. How can you prepare a chromatogram that shows the separation of the red pigment? For question c, i think i have to turn the paper 90 degrees, but im not sure. I am having trouble with this... Please help me. Thanks in advance.