Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct WORD/PHRASE to make the statement true. 1. If the temperature during distillation of crude tert-butyl chloride reached 90°C, the distillate would contain tert-butyl chloride and di-tert-butyl ether. 2. 2-phenylhexanol will result in the formation of brown precipitate in neutral KMnO4 and homogenous solution in Lucas reagent.

Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct WORD/PHRASE to make the statement true. 1. If the temperature during distillation of crude tert-butyl chloride reached 90°C, the distillate would contain tert-butyl chloride and di-tert-butyl ether. 2. 2-phenylhexanol will result in the formation of brown precipitate in neutral KMnO4 and homogenous solution in Lucas reagent.

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter16: The Sn2 Reaction: 1-bromobutane

Section: Chapter Questions

Problem 2Q

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1. A compound of molecular formula C5H100 forms a yellow precipitate with reagent and a yellow precipitate with reagents for the iodoform test. 2,4-dinitrophenylhydrazine a) Draw the structural formulae on a piece of paper, take a picture of them and upload the image below. b) Name the two (2) compounds that fit these tests.
Suppose 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?)
For the following pairs, determine what could be the best solvent to differentiate them based on their predicted solubility. 1. beta-naphthol and butyric acid 2. anthracene and benzylamine 3. p-xylene and benzaldehyde
4. Sublimation can be employed as a purification technique for substances that have Short answer text 5. Having known that phthalic anhydride readily sublimes, what two separation techniques will allow the separation of the the components in a mixture containing phthalic anhydride, benzoic acid and sodium chloride?
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give at least three characteristics of dichloromethane that make it a good extracting solvent for alkaloid
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What is the purpose of adding sodium carbonate in the mixture of water and water- soluble components obtained from the solid-liquid extraction step of isolation of alkaloids from tea leaves? A.Increases the solubility of alkaloids in water thus ensuring maximum yield B.deprotonates tannins so that they will remain in the aqueous layer during liquid-liquid extraction C.'hydrolyses cellulose thus separating it along with other water-soluble components D.protonates the alkaloid to make the solution acidic
Part B: Miscibility of liquids 1. Place 10 drops of propan-2-ol into each of two DRY semi-micro test tubes. 2. Add 10 drops of water to one test tube and 10 drops of cyclohexane to the other test tube, shake and observe whether the two liquids in each test tube are miscible. Record your results then discard the contents of the test tubes into the organic waste container. 3. Place 10 drops of water in a clean semi–micro test tube and add 10 drops of cyclohexane to it. Record whether the two liquids are miscible. If two layers form (i.e. the liquids are immiscible) add a drop of blue food dye to the mixture and shake, then allow the two layers to reform. Based on your observation, decide whether the food dye is more soluble in water or cyclohexane and then discard the mixture into the non–halogenated waste container. Record whether the combinations of liquids shown below are miscible. Water Cyclohexane Propan-2-ol Cyclohexane
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