A student claims that a given unknown is a carboxylic acid, because it is soluble in...
A student claims that a given unknown is a carboxylic acid, because it is soluble in water, 10% NaOH, and 10% NaHCO3. Critique this conclusion.
Homework Answers
as carboxylic acid is a strong acid it will be soluble in both strong alkali (NaOH) and weak alkali (NaHCO3). therefore the statement is correct.
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A student claims that a given unknown is a carboxylic
acid, because it is soluble in...
21. Picric acid (2,4,6-trinitrophenol) is slightly soluble in water but is readily soluble (with stirring and...
21. Picric acid (2,4,6-trinitrophenol) is slightly soluble in water but is readily soluble (with stirring and shaking) in both 0.6 M NaHCO3 and 2.5 M NaOH. Conversely, o-ethylphenol is insoluble in both water and 0.6 M NaHCO3, but soluble in 2.5 M NaOH. Explain. 22. Write an equation that accounts for the solubility of benzoic acid in aqueous base. 23. What would you expect to happen if a solution of sodium benzoate were acidified? Write an equation. 24. What would...
Is cyclohexanone soluble in NaOH, NaHCO3, and HCl? And is Adipic acid soluble in NaOH, NaHCO3,...
Is cyclohexanone soluble in NaOH, NaHCO3, and HCl? And is Adipic acid soluble in NaOH, NaHCO3, and HCl? If so what is the reaction mechanisms.
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most...
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most likely functional group present. Each description corresponds to a different functional gr Choose... Aldehyde The unknown is soluble in water and gives bubbles V Carboxylic acid with 5% NaHCO3. Alkene Amine The unknown is insoluble in water, insoluble in 5% Phenol NaOH, but soluble in 5% HCl. Alkene The unknown is soluble in water, does not produce bubbles in 5% NaHCO3, gives a precipitate...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an alcohol, an alkane, an alkene, or an aromatic The student tested the compound with Br2, and found that the brown bromine drops very quickly turned clear. The student then tested the compound with a solution of KMnO in water and found that the purple color quickly turned to a dark brown color Ignition of a small sample burned with a luminous yellow flame and...
Can someone help with the 4 POST LAB questions thanks Carboxylic Acids and Esters acid). like...
Can someone help with the 4 POST LAB questions thanks
Carboxylic Acids and Esters acid). like citric acid. Face crearboxyl the name implies, a Carbexylic Aclds A salad dressing made of The sour taste of fruits such as lemons is due to the presence of acids like citric acid. tcarboxyl a-hydroxy acids such functional group - that is, a carbonyl group attached to a hydroxyl group. AS dicarboxylic acid carboxylic acid of benzene is called benzoic acid (Figure 1). oil...
14. An unknown with more than five carbon atoms is soluble in HCL, Which of the...
14. An unknown with more than five carbon atoms is soluble in HCL, Which of the following is (are) likely to be? Amine ) Carboxylic acid C) Phenol D) Phenol or carboxylic acid 15. If an unknown is identified as either a carboxylic acid or phenol, the solubility in NalICO is used to differentiate between the two. This is done because: the carboxylic acid is a weaker acid than phenol and it will'not dissolve in NalHCO, the carboxylic acid is...
Benzene-1,2,3-tricarboxylic acid (C6H3 (CO2H) 3) is a three-protic, water-soluble carboxylic acid with the following pKa values:...
Benzene-1,2,3-tricarboxylic acid (C6H3 (CO2H) 3) is a three-protic, water-soluble carboxylic acid with the following pKa values: pKa1 = 2.86, pka2 = 4.30 and pka3 = 6.28. What will be the pH of a 0.075 M solution of this treprotic carboxylic acid?
Benzene-1,2,3-tricarboxylic acid (C6H3 (CO2H) 3) is a three-protic, water-soluble carboxylic acid with the following pKa values:...
Benzene-1,2,3-tricarboxylic acid (C6H3 (CO2H) 3) is a three-protic, water-soluble carboxylic acid with the following pKa values: pKa1 = 2.86, pka2 = 4.30 and pka3 = 6.28. What will be the pH of a 0.075 M solution of this treprotic carboxylic acid?
If you were given an unknown substance that was either an ester or carboxylic acid, what...
If you were given an unknown substance that was either an ester or carboxylic acid, what tests could you use to identify the type of molecule you were given?
1. After my solubility experiment, I got these results: D-glucose and benzoic acid were dissolved in...
1. After my solubility experiment, I got these results: D-glucose and benzoic acid were dissolved in NaOH while sodium benzoate, 2-naphthol, and ethanol were not dissolved in NaOH. Are the results correspond to theoretical results? And also, what are the reasons for each solute's solubility in NaOH? (i need a justification) 2. During the experiment, I dissolved an unknown compound in five different solvents including water, diethyl ether, aqueous HCl, aqueous NaOH, and aqueous NaHCO3. The results were: Unknown Water...
21. Picric acid (2,4,6-trinitrophenol) is slightly soluble in water but is readily soluble (with stirring and shaking) in both 0.6 M NaHCO3 and 2.5 M NaOH. Conversely, o-ethylphenol is insoluble in both water and 0.6 M NaHCO3, but soluble in 2.5 M NaOH. Explain. 22. Write an equation that accounts for the solubility of benzoic acid in aqueous base. 23. What would you expect to happen if a solution of sodium benzoate were acidified? Write an equation. 24. What would...
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most likely functional group present. Each description corresponds to a different functional gr Choose... Aldehyde The unknown is soluble in water and gives bubbles V Carboxylic acid with 5% NaHCO3. Alkene Amine The unknown is insoluble in water, insoluble in 5% Phenol NaOH, but soluble in 5% HCl. Alkene The unknown is soluble in water, does not produce bubbles in 5% NaHCO3, gives a precipitate...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an alcohol, an alkane, an alkene, or an aromatic The student tested the compound with Br2, and found that the brown bromine drops very quickly turned clear. The student then tested the compound with a solution of KMnO in water and found that the purple color quickly turned to a dark brown color Ignition of a small sample burned with a luminous yellow flame and...
Can someone help with the 4 POST LAB questions thanks
Carboxylic Acids and Esters acid). like citric acid. Face crearboxyl the name implies, a Carbexylic Aclds A salad dressing made of The sour taste of fruits such as lemons is due to the presence of acids like citric acid. tcarboxyl a-hydroxy acids such functional group - that is, a carbonyl group attached to a hydroxyl group. AS dicarboxylic acid carboxylic acid of benzene is called benzoic acid (Figure 1). oil...
14. An unknown with more than five carbon atoms is soluble in HCL, Which of the following is (are) likely to be? Amine ) Carboxylic acid C) Phenol D) Phenol or carboxylic acid 15. If an unknown is identified as either a carboxylic acid or phenol, the solubility in NalICO is used to differentiate between the two. This is done because: the carboxylic acid is a weaker acid than phenol and it will'not dissolve in NalHCO, the carboxylic acid is...
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