4 / 4 2. Determine what is wrong with each of the following general procedure. (8 Marks) a) The following refluxing system were used for the preparation of Grignard reagent, water out condenser Heating mante b) Aqueous solution of caffeine was extracted (one time) with CH Ch and then dried with CaCl2. c) Eugenol is extracted by adding dilute solution of HCI. d) In a column chromatography ethyl acetate is used first as eluent then hexane. e) Acidic condition is important to start Aldol condensation. D Liquid-liquid Extraction should be carried out vigorously. g) The spots on TLC plate are visualized by using ultraviolet light only h) Ethanol is used as a solvent in Grignard reaction