Out of the four acids: A.) o-toluic acid B.) benzoic acid C.) salicylic acid D.) p-hydroxybenzoic...
Out of the four acids:
A.) o-toluic acid
B.) benzoic acid
C.) salicylic acid
D.) p-hydroxybenzoic acids
Which one(s) would you expect to be more readily soluble in ether? Which one(s) would you expect to be less readily soluble in ether? Justify your answer.
Homework Answers
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Out of the four acids:
A.) o-toluic acid
B.) benzoic acid
C.) salicylic acid
D.) p-hydroxybenzoic...
. Which of the following statements is not true regarding benzoic acid acids? a. The neutral...
. Which of the following statements is not true regarding benzoic acid acids? a. The neutral acid is the predominant species in aqueous solution at pH <2. b. The anionic carboxylate is the predominant species in aqueous solution at pH >7. c. Sodium benzoate is less soluble in water than benzoic acid. d. Benzoic acid is extracted out of diethyl ether by treatment with aqueous sodium bicarbonate. ANSWER: c Can you explain why the answers a,b,d are wrong please
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step...
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step process as shown below. Would pure aspirin give a positive FeCl3 test? Justify your answer. OH OH -OH Salicylic acid Acetic anhydride Aspirin (acetylsalicylic acid) acetic acid 20. Caproic acid (molecular formula C.H20) is only slightly soluble in water but is readily soluble (with stirring or shaking) in both 0.6 M NaHCO, and 2.5 M NaOH. Conversely, formic acid is readily soluble in both...
You have 100 mL of a solution of benzoic acid in water; the amount of benzoic...
You have 100 mL of a solution of benzoic acid in water; the amount of benzoic acid in the solution is estimated to be about 0.30 g. The distribution coefficient of benzoic acid in diethyl ether and water is approximately 10. Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
Draw the products of the reaction of benzoic acid with NaOH (aq) and identify the conjugate...
Draw the products of the reaction of benzoic acid with NaOH (aq) and identify the conjugate acid and base in the products. Determine the direction of the equilibrium for this reaction and use pKa values to justify your answer. Is the organic product of this reaction water soluble? Why or why not? Using the chemicals provided, benzoic acid, Ethyl p-aminobenzoate, Fluorenone, Sodium Hydroxide, Hydrochloric Acid, Anhydrous Sodium Sulfate, Diethyl Ether , how might you convert this product back to the...
I need help with both the parts please. c. Interestingly, when compared to benzoic acid, p-methoxybenzoic...
I need help with both the parts please.
c. Interestingly, when compared to benzoic acid, p-methoxybenzoic acid is less acidic and m- methoxybenzoic acid is more acidic. Please explain how the location of the methoxy groups influences the pk of each isomer relative to benzoic acid using drawings and a minimum amount of words. TIP: How stable is each conjugate base? What is or isn't stabilizing it? TIP #2: EAS/Aromaticity has nothing to do with it. oglegt increasing acidity d....
Which sequence of reactions will successfully carry out the conversion of toluene to m-hydroxybenzoic acid, depicted...
Which sequence of reactions will successfully carry out the
conversion of toluene to m-hydroxybenzoic acid, depicted below? The
answer needs to be s an uninterrupted sequence of five letters (no
commas, spaces, dashes, etc separating the letters) corresponding
to the reactions in the column to the right that you would use.
Question 3 2 pts Which sequence of reactions will successfully carry out the conversion of toluene to m- hydroxybenzoic acid, depicted below? The answer needs to be s an...
1. Can benzoic acid be recrystallized using Dichloromethane as a solvent instead of Water. Justify your...
1. Can benzoic acid be recrystallized using Dichloromethane as a solvent instead of Water. Justify your answer. 2. Benzoic acid purified using recrystallization melted at 10 oC less than its actual M.P. Is the sample pure? List possible errors that could have happened during the recrystallization. 3. Where in the IR spectrum of benzoic acid would you expect to find the C=O and C=C bond?
A student wanted to crystallize P-Toluic acid (structure and melting point shown below) and therefore obtained...
A student wanted to crystallize P-Toluic acid (structure and melting point shown below) and therefore obtained the solubility information for crystallization of this compound from literature with four solvents, A, B, C, and D presented below in the table. Solvent Boiling point (oC) Solubility in g/mL at room temperature Solubility in g/mL at bp A 220 0.13 g 43 g B 80 4.8 g 12 g C 172 0.24 g 36 g D 168 2.4 g 28 g Which solvent...
Suppose you want to separate a mixture of the following compounds: salicylic acid, o-cresol, p-aminoacetophenone, and...
Suppose you want to separate a mixture of the following compounds: salicylic acid, o-cresol, p-aminoacetophenone, and napthalene. Come up with a list of steps and chemicals needed to most efficiently isolate all four compounds as solids with the greatest purity possible. You do not need to write a formal procedure, but be sure to indicate steps needed clearly and in order. In the procedure, the bicarbonate solution was acidified with HCl to precipitate out acetylsalicylic acid. Why wasn’t the water...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for the following compounds. (a) Atropine (b) Hydroxychloroquine (c) Saccharin (d) Cholesterol (e) Vitamin C (ascorbic acid) 2. Find the melting points for the following compounds by using Sigma-Aldrich or Google search (a) Biphenyl (b) 4-bromobenzoic acid (C) 3-nitrophenol 9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction (a) Write the equation for the bromination of ethene, and...
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step process as shown below. Would pure aspirin give a positive FeCl3 test? Justify your answer. OH OH -OH Salicylic acid Acetic anhydride Aspirin (acetylsalicylic acid) acetic acid 20. Caproic acid (molecular formula C.H20) is only slightly soluble in water but is readily soluble (with stirring or shaking) in both 0.6 M NaHCO, and 2.5 M NaOH. Conversely, formic acid is readily soluble in both...
I need help with both the parts please.
c. Interestingly, when compared to benzoic acid, p-methoxybenzoic acid is less acidic and m- methoxybenzoic acid is more acidic. Please explain how the location of the methoxy groups influences the pk of each isomer relative to benzoic acid using drawings and a minimum amount of words. TIP: How stable is each conjugate base? What is or isn't stabilizing it? TIP #2: EAS/Aromaticity has nothing to do with it. oglegt increasing acidity d....
Which sequence of reactions will successfully carry out the
conversion of toluene to m-hydroxybenzoic acid, depicted below? The
answer needs to be s an uninterrupted sequence of five letters (no
commas, spaces, dashes, etc separating the letters) corresponding
to the reactions in the column to the right that you would use.
Question 3 2 pts Which sequence of reactions will successfully carry out the conversion of toluene to m- hydroxybenzoic acid, depicted below? The answer needs to be s an...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for the following compounds. (a) Atropine (b) Hydroxychloroquine (c) Saccharin (d) Cholesterol (e) Vitamin C (ascorbic acid) 2. Find the melting points for the following compounds by using Sigma-Aldrich or Google search (a) Biphenyl (b) 4-bromobenzoic acid (C) 3-nitrophenol 9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction (a) Write the equation for the bromination of ethene, and...
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