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Question 8 1 pts Rank the following in order of acidity-#1 being the strongest acid Assume...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in methylene chloride. By adding KOH (aq) into this solution for extraction, what compound(s) would be expected to form in the aqueous layer? Write the equation. Compound X has a hexane/water distribution coefficient of 2.0. (a) Does compound X have a higher or lower solubility in hexane comparing to water? (b) How much of a 3.0 g sample of compound X dissolved in 100 ml...
Write a small introduction in words and a conclusion for this lab report Experiment 9 Acid-Base Extraction Liquid-liquid extraction utilizes the contrast solubilities of solutes in two immiscible...
Write a small introduction in words and a conclusion for this
lab report
Experiment 9 Acid-Base Extraction Liquid-liquid extraction utilizes the contrast solubilities of solutes in two immiscible solvents the separation of a mixture. An extracting solvent can be reactive that changes the character of solute. Consider a mixture of organic acid, organic base, and neutral substance, for example, benzoic acid, aniline, biphenyl, nd phenol. They sodium benzoate. Sodium hydroxide changes phenol to sodium phenoxide. Hydrochloric acid changes aniline to...
Part B Questions 1) Put the letter of the correct answer for each of the following questions in the box to the right 10...
Part B Questions 1) Put the letter of the correct answer for each of the following questions in the box to the right 10 points a. For a mixture of pure hexane and pure dimethylformamide, the dimethylformamide layer will be found as: (A) the top layer (B) the bottom layer (C) neither; the two (D) cannot determine solvents are miscible b. To extract aniline (CeH5NH2) from a solution of chloroform, one would use: (D) either B or C would work...
Acid/Base Extraction 1. Provide a flow chart detailing the acid/base extraction/separation of the compounds shown below....
Acid/Base Extraction
1. Provide a flow chart detailing the acid/base
extraction/separation of the compounds shown below. Your answer
must employ the following reagents: methylene chloride,
hydrochloric acid (1M & 6M), sodium hydroxide (1M & 6M),
10% sodium bicarbonate (aq). Clearly indicate the product(s) and
layers formed following each step of your separation scheme.
IMPORTANT: p-cresol is soluble in sodium hydroxide solution but
insoluble in neutral water or sodium bicarbonate solution. 2-
ethylbenzoic acid is soluble in both sodium hydroxide and...
Please help I need to fill in the blanks by using the compounds and producers below the picture. Thanks! 422 (4 pts) Using the flow-chart below, outline a separation of Benzoic acid (s) (1), benzyl...
Please help I need to fill in the blanks by using the compounds
and producers below the picture. Thanks!
422 (4 pts) Using the flow-chart below, outline a separation of Benzoic acid (s) (1), benzyl amine d) (2), and Naphthalene (s) (3). From the list of procedural steps below, write the letter corresponding to each procedure in the appropriate Ellipse boxes. Each procedure ma once, more than once or not at all. Usi corresponding to each structure in the appropriate...
can you pleas help me making a Flow chart for separation a mixture of trans-cinnamic acid,...
can you pleas help me making a Flow chart for separation a
mixture of trans-cinnamic acid,
4-phenylphenol, and nicotinamide by extraction?
thank you
Procedure Your mission is to separate a mixture of trans-cinnamic acid, 4-phenylphenol, and nicotinamide by extraction. Start by dissolving/suspending two grams of the mixture in approximately 50 mL of diethyl ether. (Caution: Diethyl ether is extremely flammable! Extract the ether twice with -25 mL of 5% HCl and then twice with -25 mL 5% sodium bicarbonate. It...
Use of Extraction to Isolate a Neutral Compound from a Mixture Containing an Acid or Base...
Use
of Extraction to Isolate a Neutral Compound from a Mixture
Containing an Acid or Base Impurity.
Part 4D
Hi guys I had a question about this lab. I am not sure how to
create a flow chart for it as well as what chemical equations it
needs. please let me know if you need more information.
layer. In the Optional Exercise, the sample contains a neutrum base impurity; however, a detailed procedure is not given. If you are assigned...
pre-laboratory Questions A 1 Explain why it is more efficient to make several extractions using small...
pre-laboratory Questions A 1 Explain why it is more efficient to make several extractions using small portions rather than one extraction using the same total volume. 2 Define the following terms: Drying agent intensity Drying agent capacity 3 Select the upper layer in each pair of mixed solvents (see Appendix C): Water and benzene Water and carbon tetrachloride Water and ether 4 Write an equation for the reaction of a benzoic acid with aqueous sodium bicarbonate. 5 Complete the following...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the rea...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the reactions that took place. b. At which purification steps was the unreacted methanol removed in the reaction? Some of it may have been removed in more than one place. c. Three-Step Synthesis of Methyl Anisate (Step 3) 0 CHOH. Н.so, cat.) Wear gloves. Methanol is poisonous. Ether is an anesthetic, so don't breathe it. Sulfuric acid is a strong corrosive acid. Wash any you spill...
1.5 pts Question 24 Which of the following compounds would have the strongest intermolecular attractive forces...
1.5 pts Question 24 Which of the following compounds would have the strongest intermolecular attractive forces ? CH3-NH-CH2-CH3 CH3-CH2-CH2-OH CH3-CH2-O-CH3 CH3-CH2-CO2H CO2 3.5 pts D Question 25 A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid). was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid? o 227...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in methylene chloride. By adding KOH (aq) into this solution for extraction, what compound(s) would be expected to form in the aqueous layer? Write the equation. Compound X has a hexane/water distribution coefficient of 2.0. (a) Does compound X have a higher or lower solubility in hexane comparing to water? (b) How much of a 3.0 g sample of compound X dissolved in 100 ml...
Write a small introduction in words and a conclusion for this
lab report
Experiment 9 Acid-Base Extraction Liquid-liquid extraction utilizes the contrast solubilities of solutes in two immiscible solvents the separation of a mixture. An extracting solvent can be reactive that changes the character of solute. Consider a mixture of organic acid, organic base, and neutral substance, for example, benzoic acid, aniline, biphenyl, nd phenol. They sodium benzoate. Sodium hydroxide changes phenol to sodium phenoxide. Hydrochloric acid changes aniline to...
Part B Questions 1) Put the letter of the correct answer for each of the following questions in the box to the right 10 points a. For a mixture of pure hexane and pure dimethylformamide, the dimethylformamide layer will be found as: (A) the top layer (B) the bottom layer (C) neither; the two (D) cannot determine solvents are miscible b. To extract aniline (CeH5NH2) from a solution of chloroform, one would use: (D) either B or C would work...
Acid/Base Extraction
1. Provide a flow chart detailing the acid/base
extraction/separation of the compounds shown below. Your answer
must employ the following reagents: methylene chloride,
hydrochloric acid (1M & 6M), sodium hydroxide (1M & 6M),
10% sodium bicarbonate (aq). Clearly indicate the product(s) and
layers formed following each step of your separation scheme.
IMPORTANT: p-cresol is soluble in sodium hydroxide solution but
insoluble in neutral water or sodium bicarbonate solution. 2-
ethylbenzoic acid is soluble in both sodium hydroxide and...
Please help I need to fill in the blanks by using the compounds
and producers below the picture. Thanks!
422 (4 pts) Using the flow-chart below, outline a separation of Benzoic acid (s) (1), benzyl amine d) (2), and Naphthalene (s) (3). From the list of procedural steps below, write the letter corresponding to each procedure in the appropriate Ellipse boxes. Each procedure ma once, more than once or not at all. Usi corresponding to each structure in the appropriate...
can you pleas help me making a Flow chart for separation a
mixture of trans-cinnamic acid,
4-phenylphenol, and nicotinamide by extraction?
thank you
Procedure Your mission is to separate a mixture of trans-cinnamic acid, 4-phenylphenol, and nicotinamide by extraction. Start by dissolving/suspending two grams of the mixture in approximately 50 mL of diethyl ether. (Caution: Diethyl ether is extremely flammable! Extract the ether twice with -25 mL of 5% HCl and then twice with -25 mL 5% sodium bicarbonate. It...
Use
of Extraction to Isolate a Neutral Compound from a Mixture
Containing an Acid or Base Impurity.
Part 4D
Hi guys I had a question about this lab. I am not sure how to
create a flow chart for it as well as what chemical equations it
needs. please let me know if you need more information.
layer. In the Optional Exercise, the sample contains a neutrum base impurity; however, a detailed procedure is not given. If you are assigned...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the reactions that took place. b. At which purification steps was the unreacted methanol removed in the reaction? Some of it may have been removed in more than one place. c. Three-Step Synthesis of Methyl Anisate (Step 3) 0 CHOH. Н.so, cat.) Wear gloves. Methanol is poisonous. Ether is an anesthetic, so don't breathe it. Sulfuric acid is a strong corrosive acid. Wash any you spill...
1.5 pts Question 24 Which of the following compounds would have the strongest intermolecular attractive forces ? CH3-NH-CH2-CH3 CH3-CH2-CH2-OH CH3-CH2-O-CH3 CH3-CH2-CO2H CO2 3.5 pts D Question 25 A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid). was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid? o 227...
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