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- 4. Suppose you have a mixture of saturated aqueous sodium chloride (brine) and your 2-bromo-2-methylbutane product in a separatory funnel. Use densities to predict which phase will be the top layer in the funnel. a. 2-bromo-2-methylbutane (organic phase) b. saturated sodium chloride (aqueous phase) c. hard to predict since densities are both very close to 1.18 g/mL d. there would only be one phase since the substances are miscibleIn the determination of the reaction order in the experiment, which would provide the greatest error in the recorded reaction time? a. No starch solution was added to all mixtures. b. The reagents were mixed after equilibration. c. The timer was stopped consistently for the different mixtures. d. Acetone was added first before iodine in the test tube.what type of mechanisims is needed for this?
- Include a paragraph to describe the procedure (synthesis of dibenzalacetone) Make sure to discuss the role of the reactants below in the experiment. Sodium hydroxide Ethyl alcohol Acetone Benzaldehyde1. LABORATORY PRACTICE 04 ETHANOL BIOSYNTHESIS 1. Show the mechanism of action for the formation of sucrose to ethanol. 2. Describe fractional distillation and the advantages over simple distillation. 3. Draw the fractional distillation apparatus on a micro scale and identify its parts.Match the steps given below for caffeine isolation. A. The mixture is filtered using a Big Buncher funnel after adding Celite. B. The aqueous solution is mixed in a separatory funnel by adding dichloromethane. C. The product is dissolved in toluene on a steam bath. D. Crystals formed in the ice bath are separated and dried. E. In the evaporator, the dichloromethane phase of the caffeine solution is evaporated to dryness. F. A mixture of dry tea leaves, tap water and calcium carbonate is steamed or heated.
- This is for the dehydration of methylcyclohexanols experiment using phosphoric acid i just need the peaks of this GC to be chemically identified please. Thank you. And also please explain how you did it. thank youDraw the glassware setup used for the reaction below and describe how the hickmann distillation works?Why should we Study Elimination Reactions?
- Draw structural formulas for an aldehyde or ketone and alkyl (or aryl) bromide that could be used in a Grignard synthesis of the alcohol shown. HO CH3 • You do not have to consider stereochemistry. • If there is more than one combination, draw only one. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu.Which qualitative analysis test from this module can help distinguish between different kinds of ketones? Can this same test give a positive result for 4-methylacetophenone? Why?What is the purpose of using each of the following after the reaction is done in separatory funnel? Match each action with its purpose. To remove traces of acid from organic layer To remove all water-soluble impurities from organic layer/product To absorb traces of moisture from the organic layer 1. Washing the alkyl halide with 10 mL of cold water to the separatory funnel 2. 3. Washing the organic layer with 10 mL of 10% sodium carbonate solution Adding a full spatula of calcium chloride pellets to the organic layer after is transferred to an erlenmeyer flask
