Paper chromatography has following mobile and stationary phases respectively-

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Important Questions on Organic Chemistry - Some Basic Principles and Techniques

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

The elution sequence of a mixture of compounds containing chlorobenzene, anthracene, and p-cresol developed on an alumina column using a solvent system of progressively increasing polarity is-

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

An organic compound which produces a bluish green coloured flame on heating in presence of copper is

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

During the fusion of organic compound with sodium metal, nitrogen present in an organic compound is converted into

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

In the Lassaigne's test for the detection of nitrogen in the organic compound, the appearance of blue coloured compound is

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

The Lassaigne's extract is boiled with conc.

{HNO}_{3}

while testing for halogens. By doing so it

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11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>Competition Focus>Q V

Lassaigne's test (with silver nitrate) is commonly used to detect halogens such as chlorine, bromine and iodine but not useful to detect fluorine because the product