The advantage of dichloromethane over ethyl ether is
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A common aplication of distillation process is
A. Refining of petrochemicals
B. Preparation of absolute ethanol
C. Purification of organic copounds
D. Sieving
Answer: D
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The main advantage of using ethyl ether as the most common solvent is
A. very low boiling point and reduced solublity
B. very low boiling point and better solublity
C. very high boiling point and better solublity
D. very high boiling point and rduced solublity
Answer: B
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A solvent to be used to extract an organic compound from aqueous mixture or solution must be
A. soluble in water with low boilling point
B. insoluble in water with high boilling point
C. insoluble in water with low boilling point
D. insoluble in water with high boilling point
Answer: C
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Distillation is used to separate the mixture of
A. Immiscible liquids
B. Immiscible gases
C. Miscible liquid
D. Miscible gases
Answer: C
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The larger the value of Kd, the better the separation
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The ratio of the concentration of the solute in each solvent at equilibrium is a constant called
A. distribution coefficient
B. distribution ratio
C. partition ratio
D. partition value
Answer: B
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The major aparatus used in the extraction of organic subtances in the laboratory is
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The main technical principle on which the extraction process is based on is called
A. Equilibrium distribution
B. Equilibrium constant
C. Equilibrium density
D. Equiibrium position
Answer: A
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-------------is a separation technique frequently employed in the laboratory to isolate one or more components from a mixture
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