Purification & Characteristics of Organic Compounds (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Chemistry): Questions 1 - 2 of 2
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Question number: 1
» Purification & Characteristics of Organic Compounds » Purification » Sublimation
Appeared in Year: 2009
Question
A mixture of and can be separated by
Choices
| Choice (4) | Response | |
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| a. | Distillation |
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| b. | Filtration |
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| c. | Sublimation |
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| d. | Decantation |
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Question number: 2
» Purification & Characteristics of Organic Compounds » Purification » Chromatography
Appeared in Year: 2014
Question
The species that exhibits the highest (retention factor) value in a thin layer chromatogram using a nonpolar solvent on a silica gel plate is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |  The Species That Exhibits the Highest Rf Value: Choice A Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram |
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| b. |  The Species That Exhibits the Highest Rf Value: Choice B Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram |
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| c. |  The Species That Exhibits the Highest Rf Value: Choice C Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram |
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| d. |  The Species That Exhibits the Highest Rf Value: Choice D Find the species that exhibits the highest Rf (retention factor) value in a thin layer chromatogram |
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