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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
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उत्तर
The purity of an organic compound is determined by chromatography and melting or boiling point.
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संबंधित प्रश्न
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 principles of Fractional distillation.
Explain paper chromatography.
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 compound (x) can be purified by steam distillation only if it is ______.
Which statement best explains why organic compounds must be purified?
When is purification of an organic compound usually required?
