Explain how you would separate a mixture of 4-phenylbenzoic acid, 4-phenylphenol and biphenyl using active extraction. Assume 1g of each compound is present in a given solution with ether as solvent. (Hint: use pages 24-25 (slide pages 27-28) in the laboratory manual to help you. If a component is missing, you can ignore that section.)
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- How to separate phenol from a mixture of benzoic acid and phenol by extraction?Could you show me how to create a flow chart for the following acid-base extraction for how to isolate the molecules. Please include all stepsGive the (general) chemical reactions of each test and underline the product that is observable (i.e., positive test indicator) 1. Sodium metal test 2. Ester test 3. Ceric ammonium nitrate test 4. Acetyl Chloride test 5. Iodoform test 6. lucas test
- Define Separation of benzoic acid and cyclohexanol by an extractionprocedure ?Explain some of the hazards (name at least three) involved in the (Dehydration of Cyclohexanol – Synthesis of Cyclohexene) experiment. What are some necessary safety precautions when working with sulfuric acid?What is the objective of the Qualitative Tests for carbonyls and Unknown Carbonyl experiment.
- Discuss in an essay the three proofs for the identification of Unknown in the chemicals test for Qualitative Tests for Carbonyls and Unknown carbonyl.Could you simply explain how to alter the solubility of organic bases using extraction? How do you alter the solubility of organic acids using extraction?1. Why does 1-butanol and cyclohexanol are immiscible whereas 2-methylpropanol and ethylene glycol are miscible? 2. What is the oxidation product of methanol inside the body and why is it harmful? 3. Write your observation based on the acidic properties of each sample Sample Observation 1-butanol 2-butanol 2-methyl-propanol
- 23 An electron-pair acceptor is . Brønsted-Lowry base Brønsted-Lowry acid O Lewis base Lewis acid 24 Which apparatus is NOT used in any distillation setup? condenser thermometer seperatory funnel O receiving flask 25 You have a solvent mixture containing dichloromethane and ethanol and you want to isolate them by simple distillation. Which solvent do you expect to come first? O Dichloromethane Ethanol Both togetherSuppose you took your two compounds, dissolved them in tertbutyl methyl ether and then added them to a separatory funnel. Now suppose you add in aqueous sodium bicarbonate and vigorusly shake the contents of the separatory funnel. ethanol will be dissolved in tert butyl methyl ether ether and valeric acid will be dissolved in the aqueous sodium bicarbonate layer. Draw the EXACT chemical structure that will exist in each of the layers after shaking with sodium bicarbonate. (Is it neutral or charged?)What is the role of Glycerin in the assay of Boric Acid?I. The reagent prevents the formation of pink color earlier than the expected endpoint.II. The reagent allows the reaction of protons from the acid sample with the hydroxyl ions from the titrant.III. It enhances the water solubility of the difficultly soluble boric acid. a. I, II & III b. II & III c. I & II d. I only e. I & III