With major component (Benzohydrol) and minor component (caffeine), explain why an acid-base reaction would be good...
With major component (Benzohydrol) and minor component (caffeine), explain why an acid-base reaction would be good to seperate the two components. Explain procedures for acid-base reaction steps that will help you achieve acid-base seperation.
Please explain why acid-base reaction would be the best option in lieu of recrystallization based on chemical principles.
Homework Answers
When the mixture of benzhydrol
and caffeine is treated with dilute HCl, caffeine will get
protonated and will be present in aqueous layer. While benzhydrol
will remain in organic layer. The further treatment of aqueous
layer with dilute NaOH will result in precipitation of pure
caffeine which can be filtered by vacuum filtration. This way
recrystallization can be avoided as it will not separate these two
compounds.
Add Answer to:
With major component (Benzohydrol) and minor component
(caffeine), explain why an acid-base reaction would be good...
seperation of acid neutral Experiment 5: Separation of Acid-Neutral Mixture Post-Lab Questions 1. Draw and label...
seperation of acid neutral
Experiment 5: Separation of Acid-Neutral Mixture Post-Lab Questions 1. Draw and label the structures of the major and minor components of the acidic and neutral mixtures. 2. Although acetic acid - water may be used as a "solvent pair", why are dilute solutions of an inorganic acid/water (or, inorganic base/water) avoided in recrystallization attempts? (Hint: see Wade Ed: Sections 21-12, 21- 13. Consider functional-group possibilities.] 3. Using a flow diagram, show the separation of a mixture...
Are you able to use acid base extraction to solve separate these? Suppose you steam distilled...
Are you able to use acid base extraction to solve separate
these?
Suppose you steam distilled thyme, and found that the resulting oil possessed promising antibiotic activity. To determine which chemical is the active component, you need to separate the mixture. If the major components are the chemicals shown below, what technique could you use to purify 1 g of the oil and obtain a pure sample of each compound? Explain why your chosen technique would be successful. 2. 3...
Question 2 (25 pts.) This is benzoic acid. Draw MINOR RESONANCE contributors as necessary to explain...
Question 2 (25 pts.) This is benzoic acid. Draw MINOR RESONANCE contributors as necessary to explain why the nmr chemical shift of carbon A is larger than that of carbon B. Give a brief explanation that includes the terms "deshielding" and "electron density. Question 3 (18 pts.) Rank the indicated hydrogens A, B and C in order of INCREASING chemical shift, give a BRIEF explanation. You do not need to invoke resonance to answer this question. lowest highest Question 4...
Using aromaticity and acid base reaction, please explain why the circled molecules are the stronger base...
Using aromaticity and acid base reaction, please explain why the
circled molecules are the stronger base of the two. Please provide
detailed explanations with step-by-step instructions.
IZ
Explain why the neutralization reaction of a strong acid and a weak base gives a weakly...
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Using aromaticity and acid base reaction, please explain why the circled molecules are the stronger base...
Using aromaticity and acid base reaction, please explain why the
circled molecules are the stronger base of the two. Please provide
detailed explanations with step-by-step instructions.
V OME Me d@ ОMe Me
1)-Briefly explain the role of the hydrochloric acid during the liquid-liquid extraction procedure. Draw the acid-base...
1)-Briefly explain the role of the hydrochloric acid during the liquid-liquid extraction procedure. Draw the acid-base reaction between lidocaine freebase and hydronium chloride to help your discussion and circle the organic species that is more soluble in water. 2)- Briefly explain the role of the potassium hydroxide during the liquid-liquid extraction procedure. Draw the acid-base reaction between lidocaine hydrochloride and potassium hydroxide to help your discussion and circle the organic species that is would be more soluble in the organic...
Can someone explain the answer too ? Thanks Which acid-base reaction would not take place as...
Can someone explain the answer too ? Thanks
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Extraction Q1. Why doesn’t the neutral organic compound dissolve in the 1.5 M NaOH solution? Q2....
Extraction Q1. Why doesn’t the neutral organic compound dissolve in the 1.5 M NaOH solution? Q2. Why is diethyl ether a good choice for the organic solvent in this extraction experiment? Q3. What experimental difficulty would you encounter if you neglected to include the drying step before evaporating the ether solution of the neutral organic compound? Q4. Why are the two organic compounds recrystallized before their melting points are determined? Q5. What IR bands are most useful in distinguishing a...
seperation of acid neutral
Experiment 5: Separation of Acid-Neutral Mixture Post-Lab Questions 1. Draw and label the structures of the major and minor components of the acidic and neutral mixtures. 2. Although acetic acid - water may be used as a "solvent pair", why are dilute solutions of an inorganic acid/water (or, inorganic base/water) avoided in recrystallization attempts? (Hint: see Wade Ed: Sections 21-12, 21- 13. Consider functional-group possibilities.] 3. Using a flow diagram, show the separation of a mixture...
Are you able to use acid base extraction to solve separate
these?
Suppose you steam distilled thyme, and found that the resulting oil possessed promising antibiotic activity. To determine which chemical is the active component, you need to separate the mixture. If the major components are the chemicals shown below, what technique could you use to purify 1 g of the oil and obtain a pure sample of each compound? Explain why your chosen technique would be successful. 2. 3...
Question 2 (25 pts.) This is benzoic acid. Draw MINOR RESONANCE contributors as necessary to explain why the nmr chemical shift of carbon A is larger than that of carbon B. Give a brief explanation that includes the terms "deshielding" and "electron density. Question 3 (18 pts.) Rank the indicated hydrogens A, B and C in order of INCREASING chemical shift, give a BRIEF explanation. You do not need to invoke resonance to answer this question. lowest highest Question 4...
Using aromaticity and acid base reaction, please explain why the
circled molecules are the stronger base of the two. Please provide
detailed explanations with step-by-step instructions.
IZ
Using aromaticity and acid base reaction, please explain why the
circled molecules are the stronger base of the two. Please provide
detailed explanations with step-by-step instructions.
V OME Me d@ ОMe Me
Can someone explain the answer too ? Thanks
Which acid-base reaction would not take place as written? Which base would not effectively deprotonate acetylene? a) i-PrMgBr b) KH c) (CH,0),CHI-i d) (i-Pr) NLi e) t-BuOK
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