Problem:

Photosynthesis

Question 1: Briefly explain the procedure that we followed to test for starch in the leaves? What was the staining pattern in the yellow and green leaf? In the purple and green leaf?

Question 2: Which pigments (polar or non-polar) migrated the furthest during the paper chromatography pigment separation?

Question 3: A pigment solution contains compound A with 4 polar groups and compound B with 2 polar groups. You plan to separate these compounds using paper chromatography with a nonpolar solvent. Predict the location the two bands relative to the solvent front.

Provide a brief explanation for your answer.