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प्रश्न
The purity of an organic compound is determined by ______.
पर्याय
Chromatography
Crystallisation
melting or boiling point
both Chromatography and melting or boiling point
उत्तर
The purity of an organic compound is determined by chromatography and melting or boiling point.
APPEARS IN
संबंधित प्रश्न
Explain, why an organic liquid vaporises at a temperature below its boiling point in its steam distillation?
Ortho and para – nitro phenol can be separated by ______.
A liquid which decomposes at its boiling point can be purified by ______.
Assertion: \[\begin{array}{cc}
\ce{CH - C = CH - COOH}\\|\phantom{.}\\
\phantom{........}\ce{COOC2H5}\end{array}\]
Reason: The principal functional group gets lowest number followed by double bond (or) triple bond.
Give a brief description of the principle of column Chromatography.
Explain paper chromatography.
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is ______.
If a liquid compound decomposes at its boiling point, which method (s) can you choose for its purification. It is known that the compound is stable at low pressure, steam volatile and insoluble in water.
Assertion (A): Components of a mixture of red and blue inks can be separated by distributing the components between stationary and mobile phases in paper chromatography.
Reason (R): The coloured components of inks migrate at different rates because paper selectively retains different components according to the difference in their partition between the two phases.
A liquid with high boiling point decomposes on simple distillation but it can be steam distilled for its purification. Explain how is it possible?
