When oxidizing a fisher projection, what is a stronger oxidixing
reagent? Pt or Cu 2+ and NaOH. I don't really get how to oxidize
these? What gets taken away and how would you draw this? 
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When oxidizing a fisher projection, what is a stronger oxidixing
reagent? Pt or Cu 2+ and...
1. Show the chemical reaction that takes place when Benedict's reagent (Cu") reacts with glucose (use...
1. Show the chemical reaction that takes place when Benedict's reagent (Cu") reacts with glucose (use open chain Fisher projection). 2. Do you expect fructose to give a positive reaction with Barfoed's reagent? Explain why or why not. Indicate which of the test carbohydrates (glucose, fructose, lactose, sucrose, starch) would give 5- hydroxymethylfurfural when heated with hydrochloric acid. (See description of reactions for Barfoed's reagent and Seliwanoffs reagent). 3. 121
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or...
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or iodine? Provide a one-sentence reason why your answer follows from your observation. 2. a. Predict whether NaOBr would be able to oxidize I to iodine (I) or whether, rather, I would oxidize Br to Br+. b. On the basis of your prediction formulate a periodic trend for oxidizing power. Does it increase as you go down the periodic table or does it decrease? c....
1 pt 1 pt The final step in the hydration of an alkyne under acidic conditions...
1 pt 1 pt The final step in the hydration of an alkyne under acidic conditions is the automerization of an enol intermediate to give the corresponding ketone. The mechanism involves a protonation followed by deprotonation Consider the following tautomerization reaction: CH2 CHE H,09 1 pt 1 pt 1 pt OH 1 pt 1pl For the mechanism step below, draw curved arrows to show electron reorganization Where relevant, a pi bond has two hot spots when you draw a curved...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s)...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
What is the product containing copper after the reaction of Cu(NO3)2(aq) + NaOH --> Cu(s) O...
What is the product containing copper after the reaction of Cu(NO3)2(aq) + NaOH --> Cu(s) O Cu(NO3)2(aq) Cuo(s) Cu(OH)2(s) CuSO4(aq) none of these The previous problem had you calculate the mass of carbon dioxide produced when a given mass of potassium carbonate reacted with a given volume of nitric acid. In this reaction with the previously given amounts, what is the limiting reactant? K2CO3 (aq) + 2 HNO3 (aq) --> 2KNO3 (aq) + H20 (1) + CO2 (g) O CO2...
4. What test will be performed to determine when sufficient NaOH has been added in Step...
4. What test will be performed to determine when sufficient NaOH has been added in Step II' 5. How do you determine if you have added enough Zn metal in Step V? Write the balanced chemical equation for each of the following reactions: I. 6. Oxidizing Cu with concentrated nitric acid, HNO, (aq) II. Precipitating Cu(OH), with NaOH solution III. Converting blue solid Cu(OH), to black solid CuC IV. Dissolving CuO with sulfuric acid, H,SO, (aq) V. Reducing CuSO, with...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.)...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic. (2 pts.) a) CH,CH,OH or CH,CH,0- b) Ph-S or Ph-0-
(3 pt) For the following reactions: a) Label the substrate (1°, 2°, 3°), reagent (Good/Poor Nu,...
(3 pt) For the following reactions:
a) Label the substrate (1°, 2°, 3°), reagent (Good/Poor Nu,
Strong/Weak Base) and solvent (protic, aprotic).
b) Determine what mechanism will predominate (SN1, SN2, E1, or
E2).
c) Draw the product(s) you would expect to form, paying
attention to regioselectivity and stereoselectivity.
4. (3 pt) For the following reactions: a) Label the substrate (1º, 2º, 3º), reagent (Good/Poor Nu, Strong/Weak Base) and solvent (protic, aprotic). b) Determine what mechanism will predominate (SN1, SN2, E1,...
What is the pH of the solution when 25.5 mL 0.126 M Cu(NO3)2 is mixed with...
What is the pH of the solution when 25.5 mL 0.126 M Cu(NO3)2 is mixed with 10.0 mL 0.204 M NaOH? The Ksp of Cu(OH)2 is 1.1 x 10-15 at 25 degrees celsius.
What is the Newman projection of the product that results when you react 2-butene with mCPBA,...
What is the Newman projection of the product that results when you react 2-butene with mCPBA, then NaOH, and H+/H2O
1. Show the chemical reaction that takes place when Benedict's reagent (Cu") reacts with glucose (use open chain Fisher projection). 2. Do you expect fructose to give a positive reaction with Barfoed's reagent? Explain why or why not. Indicate which of the test carbohydrates (glucose, fructose, lactose, sucrose, starch) would give 5- hydroxymethylfurfural when heated with hydrochloric acid. (See description of reactions for Barfoed's reagent and Seliwanoffs reagent). 3. 121
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or iodine? Provide a one-sentence reason why your answer follows from your observation. 2. a. Predict whether NaOBr would be able to oxidize I to iodine (I) or whether, rather, I would oxidize Br to Br+. b. On the basis of your prediction formulate a periodic trend for oxidizing power. Does it increase as you go down the periodic table or does it decrease? c....
1 pt 1 pt The final step in the hydration of an alkyne under acidic conditions is the automerization of an enol intermediate to give the corresponding ketone. The mechanism involves a protonation followed by deprotonation Consider the following tautomerization reaction: CH2 CHE H,09 1 pt 1 pt 1 pt OH 1 pt 1pl For the mechanism step below, draw curved arrows to show electron reorganization Where relevant, a pi bond has two hot spots when you draw a curved...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
What is the product containing copper after the reaction of Cu(NO3)2(aq) + NaOH --> Cu(s) O Cu(NO3)2(aq) Cuo(s) Cu(OH)2(s) CuSO4(aq) none of these The previous problem had you calculate the mass of carbon dioxide produced when a given mass of potassium carbonate reacted with a given volume of nitric acid. In this reaction with the previously given amounts, what is the limiting reactant? K2CO3 (aq) + 2 HNO3 (aq) --> 2KNO3 (aq) + H20 (1) + CO2 (g) O CO2...
4. What test will be performed to determine when sufficient NaOH has been added in Step II' 5. How do you determine if you have added enough Zn metal in Step V? Write the balanced chemical equation for each of the following reactions: I. 6. Oxidizing Cu with concentrated nitric acid, HNO, (aq) II. Precipitating Cu(OH), with NaOH solution III. Converting blue solid Cu(OH), to black solid CuC IV. Dissolving CuO with sulfuric acid, H,SO, (aq) V. Reducing CuSO, with...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic. (2 pts.) a) CH,CH,OH or CH,CH,0- b) Ph-S or Ph-0-
(3 pt) For the following reactions:
a) Label the substrate (1°, 2°, 3°), reagent (Good/Poor Nu,
Strong/Weak Base) and solvent (protic, aprotic).
b) Determine what mechanism will predominate (SN1, SN2, E1, or
E2).
c) Draw the product(s) you would expect to form, paying
attention to regioselectivity and stereoselectivity.
4. (3 pt) For the following reactions: a) Label the substrate (1º, 2º, 3º), reagent (Good/Poor Nu, Strong/Weak Base) and solvent (protic, aprotic). b) Determine what mechanism will predominate (SN1, SN2, E1,...
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