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What solvent below would be able to be used in a liquid-liquid extraction where hexane (CH3CH2CH2CH2CH2CH3) was used as the organic solvent?
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- We want to extract terpenoids from an aqueous sample by continuous liquid-liquid extraction. Which of the following solvents is not suitable for this purpose? Why? Propanone (acetone), dichloromethane, heptane.5-bromoacetylsalicylic acid melts at 60 °C and is inert and almost insolube in water at room temperature. Why can’t water be used as recrystallizing solvent for this compound?Why does a 70:30 hexane:acetone mixture produce a more effective separation of pigments in spinach compared to a 50:50 hexane:acetone mixture? Explain thoroughly
- At normal temperature, 5-bromoacetylsalicylic acid melts at 60 °C and is inert and nearly insoluble in water. Why is it that water cannot be utilized as a recrystallizing solvent for this compound?What makes ethyl acetate a suitable or unsuitable solvent? What concerns would you have if you were to run a column using hexanes as the solvent for the whole column? Come up with an appropriate solvent gradient to get the best separation of all three compoundsDuring the experiment “Liquid-Liquid extraction”, which compound was removed by the addition of sulfuric acid? Group of answer choices Ferrocene Benzoic Acid Diethyl ether 3-Nitroaniline
- Explain the function of using dichloromethane after the steam extraction of Eugenol. Also discuss if there are any differences and which ones in soxhlet extraction and steam drag.Account for the greater amount of internal pressure in the aspirin extraction versus the ß- naphthol extraction.Why does the sequence for extracting the diethyl ether solution of aspirin acid, naphthalene, and ß-naphthol start with aqueous bicarbonate and follow with aqueous hydroxide rather than the reverse order?Q1: Give one lysis buffer that is commonly used for western blotting experiments and include its components Q3: To make sure that you used a similar amount of samples, what important step should be done before proceeding the electrophoresis stage? Q4. Why is it necessary to store the prepared lysates in a very low temperature?
- For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how does one separate the two compounds from one another?Why is there a need to add concentrated H2SO4 to the centrifugate and evaporating almost to dryness before the addition of methyl alcohol in confirming the presence of BO3-3?Propose an extraction flowchart capable of separating this compound into its pure form