10 Questions
What technique is essential for isolating and purifying organic substances?
Extraction
Why is a water wash necessary in the extraction process?
To purify the organic compound
Which of the following solvents is commonly used for extracting caffeine from tea?
Dichloromethane
What is the purpose of adding a drop of water to identify the organic layer?
Break any emulsion formed
How can an emulsion be prevented during the shaking process?
Use a glass rod for gentle stirring
Which physicochemical test can be used to identify the presence of phenolic compounds like vanillin?
Ferric chloride test
Which solvent is suitable for extracting a nonpolar organic compound from an aqueous solution?
Hexane
In separation techniques, what plays an important role in extracting a solute from one solvent into another?
Difference in polarity between solvents
'Washing' operation in extraction involves adding what to the reaction mixture?
"Water and an immiscible organic solvent"
'Stopping the funnel and shaking it' in extraction aims to achieve what outcome?
'Allow the layers to separate'
Test your knowledge on Physicochemical Tests including Physical Test, Ferric Chloride Test, and Bromine Water Test in Medicinal Organic Chemistry Laboratory. Explore the color, odor, appearance, and reactions for various compounds.
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