For the reduction of benzophenone to benzohydrol by NaBH4 1) Draw the reaction, showing the reactants...
For the reduction of benzophenone to benzohydrol by NaBH4
1) Draw the reaction, showing the reactants and products. • What apparatus and conditions (solvent, temp., reaction time, etc) will be used for the reaction? (we are using ethanol and Buchner funnel filtration)
• How will the benzhydrol product be isolated from the reaction mixture and how will it then be further purified?
How will the product be characterized?
• Identify which is the reducing agent and which is the oxidizing agent in the reaction of benzophenone with sodium borohydride and explain your reasoning, ie. show the changes in oxidation states (best to give a drawing as per the introduction)?
• give the mechanism of the reaction, indicate what bonds are broken/formed and draw arrows to show what happens to the electrons as bonds break and form.
Homework Answers
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For the reduction of benzophenone to benzohydrol by NaBH4
1) Draw the reaction, showing the reactants...
Identify which is the reducing agent and which is the oxidizing agent in the reaction of...
Identify which is the reducing agent and which is the oxidizing agent in the reaction of benzophenone with sodium borohydride and explain your reasoning, ie. show the changes in oxidation states (best to give a drawing as per the introduction)? Identify which is the reducing agent and which is the oxidizing agent in the reaction of benzophenone with sodium borohydride and explain your reasoning, ie. show the changes in oxidation states (best to give a drawing)?
Give a balanced equation for the reaction that includes both the oxidizing agent (benzil) and reducing...
Give a balanced equation for the reaction that includes both the oxidizing agent (benzil) and reducing agent (NaBH4). In other words I do not want to see 4 R2C=O. Give a brief definition/explanation of reduction in terms of gain/loss of hydrogens, oxygen, and electrons. Sodium borohydride can be used in ethanol solutions to rapidly reduce aldehydes and ketones at room temperature. Even though lithium aluminum hydride (LiAlH4) is much more reactive than sodium borohydride (NaBH4) it can’t be used to reduce aldehydes...
18 Question (1 point) Draw the product that results from the following reaction. NaBH4 ethanol C)
18 Question (1 point) Draw the product that results from the following reaction. NaBH4 ethanol C)
Sodium Borohydride Reduction of Benzoin Pre-Lab Worksheet (1) Why is it important to use 100% ethanol...
Sodium Borohydride Reduction of Benzoin Pre-Lab
Worksheet
(1) Why is it important to use 100% ethanol for this reaction? 5, ethanol (absolute ethanol) rather than 95% of benzoin? ow would you expect the IR spectrum of the reduced product to differ from that 7. (2) How would you expect the 1H rom that of benzNMR spectrum of the reduced product to differ 8. (2) How many peaks do you expect in the 13C NMR spectrum of the product? Suppose you...
Can someone tell me if a theoretical yield needs to be calculated for this experiment? And...
Can someone tell me if a theoretical yield needs to be
calculated for this experiment? And if so, how do you calculate it?
please show all work. thank you. btw the aniline weighs
6.69g.
Synthesis of Acetanilide Acetanilide is synthesized from aniline by a reaction known as acylation. Acylation is the addition of an acyl group to a compound. In this experiment, aniline (1 amine) is reacted with acetic anhydride (acylating agent) to form acetanilide (an amide). H-C-CH3 + CH...
0.150 g benzophenone 0.100 g NaBH4 eagaph Show the theoretical result of the reactants and the product + Na,BO (CHszCHOH 1) For A al Calculate the formule molecular b) Molar mass i/mel ci Amo...
0.150 g benzophenone
0.100 g NaBH4
eagaph Show the theoretical result of the reactants and the product + Na,BO (CHszCHOH 1) For A al Calculate the formule molecular b) Molar mass i/mel ci Amount a Moles e) m 21 Fors a) Calculate the formuke mokcular bl Molar mass (mo c) Amount d] Moles 4) Calculate the formuk mobcua B) Molar mass (gimol co Amoune ig DI Moles El m A) Calculate the formde motecula B) Molar mass ie/mal Q Amount...
Extraction of solids: Experiment outlined below Draw a “roadmap” of the experiment, containing chemical structures and...
Extraction of solids: Experiment outlined below
Draw a “roadmap” of the experiment, containing chemical
structures and “layers” (organic and aqueous). This should contain
the individual reactions occurring in each step, and show which
layer the various components are present. Make sure you think about
whether the acetaminophen, caffeine and aspirin are neutral,
protonated or deprotonated.
Preliminary separation obtain a sample (1.0g) of the mixture. weigh the sample and record it. this sample should consist of a 2:1:1 mixture (by mass)...
a) Consider sider this two-step reaction. Draw the structure for the transition state in each step...
a) Consider sider this two-step reaction. Draw the structure for the transition state in each step of the mechanism. arly show any partially broken or partially formed bonds. Include only the hydrogens shown. (0.6 pts) Step 1 Step 2 (b) How many partially formed or partially broken bonds are found in the transition state structure for step 1? # of partially formed bonds (step 1) = ; # of partially broken bonds (step 1) = Will AH® for this reaction...
7. (4 pts) In the reaction of 1-chloro-l-phenylpropane with potassium 1-butoxide: a. Draw the arrows showing...
7. (4 pts) In the reaction of 1-chloro-l-phenylpropane with potassium 1-butoxide: a. Draw the arrows showing the flow of electrons for all bonds broken and all bonds formed during the reaction. b. In the labeled boxes, provide the structures of the Organic Product (containing carbon) that are formed from each specified conformation of 1-chloro-1-phenylpropane. CH H3- CH -OH K сн. OH H3C-+CHE 1-chloro-1-phenylpropane CHE Organic Product A IH CH, HCCHE OH к OH H3CCHE CHE 1-chloro-1-phenylpropane Organic Product B
any excess bromine that persists after the reaction will mostly be left in the choos: (filtered...
any excess bromine that persists after the reaction will
mostly be left in the choos: (filtered solid, filtrate, or reaction
vile) and quenched with the choose: (oxidizing agent, reducing
agent, strong acid, or strong base) choose: (acetic acid, methanol,
sodium bisulfate, sodium bisulfite).
Procedure: Bromination of E-Stilbene SAFETY INFORMATION Carry out this experiment in a fume hood and wear nitrile gloves. Pyridinium tribromide is an oxidizing agent, is corrosive, and can severe skin and eye burns. Glacial acetic severe skin...
18 Question (1 point) Draw the product that results from the following reaction. NaBH4 ethanol C)
Sodium Borohydride Reduction of Benzoin Pre-Lab
Worksheet
(1) Why is it important to use 100% ethanol for this reaction? 5, ethanol (absolute ethanol) rather than 95% of benzoin? ow would you expect the IR spectrum of the reduced product to differ from that 7. (2) How would you expect the 1H rom that of benzNMR spectrum of the reduced product to differ 8. (2) How many peaks do you expect in the 13C NMR spectrum of the product? Suppose you...
Can someone tell me if a theoretical yield needs to be
calculated for this experiment? And if so, how do you calculate it?
please show all work. thank you. btw the aniline weighs
6.69g.
Synthesis of Acetanilide Acetanilide is synthesized from aniline by a reaction known as acylation. Acylation is the addition of an acyl group to a compound. In this experiment, aniline (1 amine) is reacted with acetic anhydride (acylating agent) to form acetanilide (an amide). H-C-CH3 + CH...
0.150 g benzophenone
0.100 g NaBH4
eagaph Show the theoretical result of the reactants and the product + Na,BO (CHszCHOH 1) For A al Calculate the formule molecular b) Molar mass i/mel ci Amount a Moles e) m 21 Fors a) Calculate the formuke mokcular bl Molar mass (mo c) Amount d] Moles 4) Calculate the formuk mobcua B) Molar mass (gimol co Amoune ig DI Moles El m A) Calculate the formde motecula B) Molar mass ie/mal Q Amount...
Extraction of solids: Experiment outlined below
Draw a “roadmap” of the experiment, containing chemical
structures and “layers” (organic and aqueous). This should contain
the individual reactions occurring in each step, and show which
layer the various components are present. Make sure you think about
whether the acetaminophen, caffeine and aspirin are neutral,
protonated or deprotonated.
Preliminary separation obtain a sample (1.0g) of the mixture. weigh the sample and record it. this sample should consist of a 2:1:1 mixture (by mass)...
a) Consider sider this two-step reaction. Draw the structure for the transition state in each step of the mechanism. arly show any partially broken or partially formed bonds. Include only the hydrogens shown. (0.6 pts) Step 1 Step 2 (b) How many partially formed or partially broken bonds are found in the transition state structure for step 1? # of partially formed bonds (step 1) = ; # of partially broken bonds (step 1) = Will AH® for this reaction...
7. (4 pts) In the reaction of 1-chloro-l-phenylpropane with potassium 1-butoxide: a. Draw the arrows showing the flow of electrons for all bonds broken and all bonds formed during the reaction. b. In the labeled boxes, provide the structures of the Organic Product (containing carbon) that are formed from each specified conformation of 1-chloro-1-phenylpropane. CH H3- CH -OH K сн. OH H3C-+CHE 1-chloro-1-phenylpropane CHE Organic Product A IH CH, HCCHE OH к OH H3CCHE CHE 1-chloro-1-phenylpropane Organic Product B
any excess bromine that persists after the reaction will
mostly be left in the choos: (filtered solid, filtrate, or reaction
vile) and quenched with the choose: (oxidizing agent, reducing
agent, strong acid, or strong base) choose: (acetic acid, methanol,
sodium bisulfate, sodium bisulfite).
Procedure: Bromination of E-Stilbene SAFETY INFORMATION Carry out this experiment in a fume hood and wear nitrile gloves. Pyridinium tribromide is an oxidizing agent, is corrosive, and can severe skin and eye burns. Glacial acetic severe skin...
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