Questions with detailed step by step solutions from Purification of Organic Compounds

Questions in Purification of Organic Compounds
  1. Naphthalene can be purified by
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  2. In Lasagne's test, the organic compound is fused with sodium metal so as to
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  3. The violet colour in the Lasagne's test of sulphur is due to
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  4. The blue colour developed during the Lasagne's test for nitrogen is due to
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  5. Steam distillation is applied for the separation of those compounds which are
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  6. Two solids $A$ and $B$have appreciable different solubilities in water but their melting points are very close. The mixture of $A$ and $B$can be separated by
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  7. A compound has simplest formula $C{{H}_{2}}$. To which hydrocarbon series does it belong?
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  8. If Kjeldahl's method, $CuS{{O}_{4}}$ acts as
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  9. If empirical formula of an organic compound is $C{{H}_{2}}O$ and its $6\cdot 02\times {{10}^{23}}$ molecules weight 60 g, then it can be
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  10. Sublimation is a process where a solid
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