Cinnamon was extracted using both Soxhlet (in ethanol) and Steam (water) at T= 5 hours and...
- Cinnamon was extracted using both Soxhlet (in ethanol) and Steam (water) at T= 5 hours and T= 10 hours. Why would Soxhlet isolate more compound than steam?
- KMnO4 reacts with non-aromatic alkenes. Draw the reaction of cinnamaldehyde with KMnO4.
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Cinnamon was extracted using both Soxhlet (in ethanol)
and Steam (water) at T= 5 hours and...
Solubility and Reactivity of Alkanes, Alkenes and Aromatic Compounds Advance Study Form *****There are 2 pages...
Solubility and Reactivity of Alkanes, Alkenes and Aromatic Compounds Advance Study Form *****There are 2 pages to this Advance Study Form ***** 1. a. The structure of cholesterol is shown below. Indicate if cholesterol is saturated or unsaturated. Explain your answer. b. What chemical tests would you run to determine if it saturated or unsaturated? Indicate what color changes you would expect. 2. Why don't we use Cl2 instead of Bra in the test for unsaturation? 3. Predict the product...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower t...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
just need (e) to (h) 5. Molecules with an-OH group directly bonded to a C-C sp...
just need (e) to (h)
5. Molecules with an-OH group directly bonded to a C-C sp hybridized carbon are called "enol"'s. The types of chemical reactions which enols undergo are substantially different from those of normal alcohols. By considering the Brensted-Lowry and Lewis acid/base reactivity of an enol, you can predict a few of these differences. (a) Ethenol, the simplest "enol", can react as a BL. base in three different places, by gaining a proton at either of the two...
Answer all 12. A sample of water and a sample of ethanol are 16. A 025...
Answer all
12. A sample of water and a sample of ethanol are 16. A 025 M aqueous both boiling in open containers at standard pressure. For the vapor pressure(P) and temperature (T), the two liquids have are 16. AMus solution of KCI is tdfo conductivisy using the type of apparaus sh (A) the same P and the same T (B) the same P but different T (C) different Pe but the same T (D) different P and different T...
State whether the following statements are true (T) or false (F) by circling the appropriate letter....
State whether the following statements are true (T) or false (F) by circling the appropriate letter. 1. Destruction of the ozone layer is predicted to decrease in size over the next fifty years. F TF2. "Denatured alcohol" is pure ethanol. TF 3. Diethyl ether has a higher boiling point than 1-butanol. TF 4. Nicotine has a higher LDso value than arsenic. TF T F TF T 5. Chloroform, CHCl3, is commonly used as a solvent. 6. Acetone is found in...
number 63 14.80 Which o atomorrone Explain 4-Pyrone or VO T U 14.62 which do you...
number 63
14.80 Which o atomorrone Explain 4-Pyrone or VO T U 14.62 which do you think is a stronger nucleophile in an S2 reaction-pyridine or pyrrole? Explain. Denn 70 LO Pyridine Pyrrole 14.63 For each of the following pairs of substrates, which do you think will undergo an S, 1 reaction faster? Explain. CI CI (b) Bi Br or or w х Y z OH ОН 14.64 Which compound, A or B, do you think undergoes dehydration more quickly?...
1.Friedel-Crafts acylation of ortho-nitrotoluene with acetyl chloride and aluminum trichloride gives: A.a mixture of acetophenones with...
1.Friedel-Crafts acylation of ortho-nitrotoluene with acetyl chloride and aluminum trichloride gives: A.a mixture of acetophenones with the nitro group always ortho or para to the carbonyl. B.almost exclusively a single product, 3-nitro-4-methyl-acetophenone. C.2-methyl-acetophenone by nitro group displacement. D.no reaction since the nitro group is so deactivating. 2.You decide to make meta-nitrophenol by doing which of the following steps? A.Reacting phenol with fuming nitric acid in an ice bath. B.Reacting benzene with fuming nitric acid, then reacting the product with chlorine/iron,...
1.) (9 points) Give structures for the following compounds: a) meta-phenylphenol b) 6-benzyl-3-heptanol e) ortho-sec-butyltoluene 2.)...
1.) (9 points) Give structures for the following compounds: a) meta-phenylphenol b) 6-benzyl-3-heptanol e) ortho-sec-butyltoluene 2.) (9 points) Name the following compounds: 3.) (8 points) Label the following molecules as aromatic, anti-aromatic, or non-aromatic. For the ones th aren't aromatic, explain why they are either non-aromatic or anti-aromatic. 0.8 4.) (11 points) For the following electrophilic aromatic substitution reaction: Вт, FeBr; a) Which product is the major one? b) Draw a complete mechanism for the formation of the major product...
2. Draw the structure of the byproduct that would be formed if the reaction mixture were...
2. Draw the structure of the byproduct that would be formed if the reaction mixture were not kept in an ice bath during the azo coupling reaction. [2 pts) Methyl orange can be synthesized using an azo coupling reaction, which is an example of an electrophilic aromatic substitution (EAS). In an azo coupling, the electrophile is an aryldiazonium salt, and the nucleophile is another electron-rich aromatic compound (typically an aniline or phenol). In this experiment, sulfanilic acid will be converted...
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...
Solubility and Reactivity of Alkanes, Alkenes and Aromatic Compounds Advance Study Form *****There are 2 pages to this Advance Study Form ***** 1. a. The structure of cholesterol is shown below. Indicate if cholesterol is saturated or unsaturated. Explain your answer. b. What chemical tests would you run to determine if it saturated or unsaturated? Indicate what color changes you would expect. 2. Why don't we use Cl2 instead of Bra in the test for unsaturation? 3. Predict the product...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
just need (e) to (h)
5. Molecules with an-OH group directly bonded to a C-C sp hybridized carbon are called "enol"'s. The types of chemical reactions which enols undergo are substantially different from those of normal alcohols. By considering the Brensted-Lowry and Lewis acid/base reactivity of an enol, you can predict a few of these differences. (a) Ethenol, the simplest "enol", can react as a BL. base in three different places, by gaining a proton at either of the two...
Answer all
12. A sample of water and a sample of ethanol are 16. A 025 M aqueous both boiling in open containers at standard pressure. For the vapor pressure(P) and temperature (T), the two liquids have are 16. AMus solution of KCI is tdfo conductivisy using the type of apparaus sh (A) the same P and the same T (B) the same P but different T (C) different Pe but the same T (D) different P and different T...
State whether the following statements are true (T) or false (F) by circling the appropriate letter. 1. Destruction of the ozone layer is predicted to decrease in size over the next fifty years. F TF2. "Denatured alcohol" is pure ethanol. TF 3. Diethyl ether has a higher boiling point than 1-butanol. TF 4. Nicotine has a higher LDso value than arsenic. TF T F TF T 5. Chloroform, CHCl3, is commonly used as a solvent. 6. Acetone is found in...
number 63
14.80 Which o atomorrone Explain 4-Pyrone or VO T U 14.62 which do you think is a stronger nucleophile in an S2 reaction-pyridine or pyrrole? Explain. Denn 70 LO Pyridine Pyrrole 14.63 For each of the following pairs of substrates, which do you think will undergo an S, 1 reaction faster? Explain. CI CI (b) Bi Br or or w х Y z OH ОН 14.64 Which compound, A or B, do you think undergoes dehydration more quickly?...
1.) (9 points) Give structures for the following compounds: a) meta-phenylphenol b) 6-benzyl-3-heptanol e) ortho-sec-butyltoluene 2.) (9 points) Name the following compounds: 3.) (8 points) Label the following molecules as aromatic, anti-aromatic, or non-aromatic. For the ones th aren't aromatic, explain why they are either non-aromatic or anti-aromatic. 0.8 4.) (11 points) For the following electrophilic aromatic substitution reaction: Вт, FeBr; a) Which product is the major one? b) Draw a complete mechanism for the formation of the major product...
2. Draw the structure of the byproduct that would be formed if the reaction mixture were not kept in an ice bath during the azo coupling reaction. [2 pts) Methyl orange can be synthesized using an azo coupling reaction, which is an example of an electrophilic aromatic substitution (EAS). In an azo coupling, the electrophile is an aryldiazonium salt, and the nucleophile is another electron-rich aromatic compound (typically an aniline or phenol). In this experiment, sulfanilic acid will be converted...
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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