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Saponification of a triglyceride with aqueous sodium hydroxide gives the following. glycerol and the sodium salts...
Questions and Exercises 1. In the course of reflux of the triglyceride in a sodium hydroxide solu...
Organic Chemistry Help!
Questions and Exercises 1. In the course of reflux of the triglyceride in a sodium hydroxide solution you will notice a lot of foaming. Explain. What is left behind in the aqueous layer after filtration of the saponification product? The starting material and the product of the saponification reaction have similar melting points. How do you know you actually isolated a new product rather than just recovered the starting material? Give at least two different methods to...
B2. a) Consider the saponification reaction of ethyl benzoate in the presence of aqueous sodium hydroxide....
B2. a) Consider the saponification reaction of ethyl benzoate in the presence of aqueous sodium hydroxide. Complete the mechanism below by drawing ALL electron pushing (curly) arrows AND the intermediate structures in each box. oh.org + OH = + 2 OH + 8^
Lab 12: Saponification – Making Soap Objective: To make soap using the process call saponification, an...
Lab 12: Saponification – Making Soap Objective: To make soap using the process call saponification, an organic form of the neutralization reaction that an acid reacts with a base to form a salt. Introduction: A soap is the sodium or potassium salt of a long chained carbohydrate called a fatty acid. A fatty acid usually contains between 12 – 18 carbon atoms. Fatty acids are esters of either animal or vegetable fats. They are called triglycerides if they are solids at room...
0 TUL Multiple Choice For the following questions, please select the best answer. 1) Which of...
0 TUL Multiple Choice For the following questions, please select the best answer. 1) Which of the following is not a product of saponification of a triglyceride? soaps O O O long chain fatty alcohols glycerol the salt of the fatty acid 2) Which of the following lipids is not found in biological membranes? O triacylglcerols phosphoacylglycerols glycolipids o Type here to search
Physical Properties: Water Vegetable oil aqueous NaOH solution Sodium hydroxide ethanol Soap glycerol Saturated Nacl
Physical Properties: Water Vegetable oil aqueous NaOH solution Sodium hydroxide ethanol Soap glycerol Saturated Nacl
saponification of coconut oil with NaOH 1. What is the nucleophile in this reaction? hydroxide??? 2. Why doesn’t sodium...
saponification of coconut oil with NaOH
1. What is the nucleophile in this reaction?
hydroxide???
2. Why doesn’t sodium acetate act as soap?
Sodium acetate cannot be used as soap because there is no
non-polar hydrocarbon side component long enough to bind nonpolar
dirt fats or oils. Without this organic component it cannot be used
as soap.???
3. Detergents contain compounds that have a sulfonate group
instead of a carboxylate. Why do detergents work better than soaps
at all pH...
7. Choose the best answer for an aqueous solution labeled "0.10 M sodium hydroxide," A) the...
7. Choose the best answer for an aqueous solution labeled "0.10 M sodium hydroxide," A) the pH is greater than 7 B) the pH is less than 7 C) the pH = 1 D) the pH = 7 E) the pH = 13 8. Which one of the following salts gives an acidic aqueous solution? A) LINO3 B) CsBr C) Col2 D) Mg(SO3)2 E) NaF 9. Which one of the following salts gives a basic aqueous solution? A) Fe(NO3)3 B)...
Under each of the following molecules, write its classification its number of C and O Then...
Under each of the following molecules, write its classification its number of C and O Then under two of molecules, write: "most soluble and soluble in water" and "least soluble in water" "highest boiling point" and "lowest boiling point" At each of the following pairs of fatty acids or carboxylic acids, circle or highlight the acid that has higher melting point. Palmitic acid (C16:0) and Stearic acid Oleic acid and Stearic acid (C18:0) Oleic acid (C18:1) and Linolenic acid (C18:3)...
1. Imagine a triglyceride molecule is made from the following three fatty acids: a myristic acid,...
1. Imagine a triglyceride molecule is made from the following three fatty acids: a myristic acid, a palmitoleic acid, and an oleic acid. b. Write the saponification reaction of this triglyceride molecule in KOH solution to produce potassium soap. Use condensed structural formulas for the hydrocarbon tails.
lab report on the preparation of soap (Saponification) 1. Write the reaction for the saponification of...
lab report on the preparation of soap
(Saponification)
1. Write the reaction for the saponification of glyceryl tripalmitate with sodium 2. 3. 4. hydroxide. Why is the product of saponification called a salt? Why was ethanol added to the reaction mixture of fat and base? Do you think the solid soap that you made contains glycerol? Why or why not? Explain. 5. Describe the appearance of your soap. 6. Explain how soaps emulsify oils and fats. 7. Explain why soaps...
Organic Chemistry Help!
Questions and Exercises 1. In the course of reflux of the triglyceride in a sodium hydroxide solution you will notice a lot of foaming. Explain. What is left behind in the aqueous layer after filtration of the saponification product? The starting material and the product of the saponification reaction have similar melting points. How do you know you actually isolated a new product rather than just recovered the starting material? Give at least two different methods to...
B2. a) Consider the saponification reaction of ethyl benzoate in the presence of aqueous sodium hydroxide. Complete the mechanism below by drawing ALL electron pushing (curly) arrows AND the intermediate structures in each box. oh.org + OH = + 2 OH + 8^
0 TUL Multiple Choice For the following questions, please select the best answer. 1) Which of the following is not a product of saponification of a triglyceride? soaps O O O long chain fatty alcohols glycerol the salt of the fatty acid 2) Which of the following lipids is not found in biological membranes? O triacylglcerols phosphoacylglycerols glycolipids o Type here to search
Physical Properties: Water Vegetable oil aqueous NaOH solution Sodium hydroxide ethanol Soap glycerol Saturated Nacl
saponification of coconut oil with NaOH
1. What is the nucleophile in this reaction?
hydroxide???
2. Why doesn’t sodium acetate act as soap?
Sodium acetate cannot be used as soap because there is no
non-polar hydrocarbon side component long enough to bind nonpolar
dirt fats or oils. Without this organic component it cannot be used
as soap.???
3. Detergents contain compounds that have a sulfonate group
instead of a carboxylate. Why do detergents work better than soaps
at all pH...
7. Choose the best answer for an aqueous solution labeled "0.10 M sodium hydroxide," A) the pH is greater than 7 B) the pH is less than 7 C) the pH = 1 D) the pH = 7 E) the pH = 13 8. Which one of the following salts gives an acidic aqueous solution? A) LINO3 B) CsBr C) Col2 D) Mg(SO3)2 E) NaF 9. Which one of the following salts gives a basic aqueous solution? A) Fe(NO3)3 B)...
Under each of the following molecules, write its classification its number of C and O Then under two of molecules, write: "most soluble and soluble in water" and "least soluble in water" "highest boiling point" and "lowest boiling point" At each of the following pairs of fatty acids or carboxylic acids, circle or highlight the acid that has higher melting point. Palmitic acid (C16:0) and Stearic acid Oleic acid and Stearic acid (C18:0) Oleic acid (C18:1) and Linolenic acid (C18:3)...
lab report on the preparation of soap
(Saponification)
1. Write the reaction for the saponification of glyceryl tripalmitate with sodium 2. 3. 4. hydroxide. Why is the product of saponification called a salt? Why was ethanol added to the reaction mixture of fat and base? Do you think the solid soap that you made contains glycerol? Why or why not? Explain. 5. Describe the appearance of your soap. 6. Explain how soaps emulsify oils and fats. 7. Explain why soaps...
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