(a)
Interpretation:
The term eluate needs to be explained.
Concept Introduction :
Chromatography is a versatile method of separation which is extensively used to get pure compounds from mixtures.
(b)
Interpretation:
The term eluant needs to be explained.
Concept Introduction :
Chromatography is a versatile method of separation which is extensively used to get pure compounds from mixtures.
(c)
Interpretation:
The term adsorbent needs to be explained.
Concept Introduction :
Chromatography is a versatile method of separation which is extensively used to get pure compounds from mixtures.
(d)
Interpretation:
The reverse phase chromatography needs to be explained.
Concept Introduction :
Chromatography is a versatile method of separation which is extensively used to get pure compounds from mixtures.
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
- Chemistry 1. In anion exchange chromatography, the stationary phase negatively charged. a. True b. False 2. Give two (2) examples of a planar chromatographic technique:.arrow_forwardIdentify the simplest chromatographic system: A. Thin layer B. Ion exchange C. Molecular exclusion D.Gas E. Reverse phasearrow_forwardWhich of the following cannot be used as adsorbent in column chromatography? a. Silica gel b. Magnesium oxide c. Alumina d. Potassium permanganatearrow_forward
- Match the terms with their definitions: 1. Adsorption chromatography 2. Partition chromatography 3. Ion-exchange chromatography 4. Molecular exclusion chromatography 5. Affinity chromatography A. Mobile-phase ions attracted to stationary phase ions. B. Solute attracted to specific groups attached to stationary phase. C. Solute equilibrates between mobile phase and surface of stationary phase. D. Solute equilibrates between mobile phase and stationary liquid film. E. Solute penetrates voids in stationary phase. Largest solutes eluted first.arrow_forward9. Which of the following solvents is used in normal phase elution in HPLC? a) Ethanol: Water b) Hexane c) Acetonitrile CH;CN d) Methanolarrow_forwardI) Choose the Correct Answer from the Multiple-Choice List (10) 1. Which of the following is not a common type of packing for reversed-phase HPLC? C. Diol D. phenyl A. C18 B. C8 2. Gradient elution is a separation that employs : a. a single solvent of constant composition. b. solvent mixture of constant composition. c. two or more solvent systems that differ significantly in polarity. d. both (a) and (b). 3. The most useful bonded-phase coatings in HPLC are . : a) glass b) alumina c) inert silica d) siloxanes 4.Which of the following solvents is not commonly used in reversed-phase HPLC? a) Ethanol Water b) Hexane c) Acetonitrile d) Methanol e) water 5. It is not of the solute property detector used in HPLC is: a. Refractive index detector b. UV detector c. fluorescence detector d. UV-visible detector 6. High performance liquid chromatography (HPLC) can be used to : a. identify the various pigments from a leaf extract. b. separate types of organic pesticides. c. determine the mercury…arrow_forward
- 8arrow_forwardWhat type of chromatography is referred to as molecular (size) exclusion chromatography? a) HP.L.C. b) gel filtration c) G.C. d) ion exchangearrow_forwardAll of the following are classified as an instrumental method of analysis EXCEPT: A. chromatographic methods B. electroanalytical methods C. gravimetric methods D. spectroscopic methodsarrow_forward
- Which of the solvents below can be used with reversed phase chromatography? a. Acetonitrile b. Toluene c. Hexane d. Carbon tetrachloridearrow_forwardConsidering reverse phase liquid chromatography, determine the properties of the stationary phase, mobile phase, and first to elute respectively. A. B. C. D. Polar, polar, polar Non polar, polar, non polar Polar, non polar, nonpolar Non polar, polar, polararrow_forward26. In a certain paper chromatography experiment, the Ri values of components X, Y, and Z are 0.25, 0.50, and 0.75. If the spot of component Z traveled 72 mm, the solvent front 26. would have traveled А. 18 mm В. 24 mm C. 54 mm D. 96 mm E. 216 mmarrow_forward
- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningEBK A SMALL SCALE APPROACH TO ORGANIC LChemistryISBN:9781305446021Author:LampmanPublisher:CENGAGE LEARNING - CONSIGNMENT