
(a)
Interpretation: The miscibility of aniline in water needs to be explained, if in the reduction of nitrobenzene to aniline, the product is readily isolated from the reaction mixture by steam distillation process.
Concept Introduction:A solution is a mixture of solute and solvent. The solubility of solute in solvent depends on the interaction between solute and solvent. It also depends on the polarity of molecules also. As the polar and ionic compounds are soluble in polar solvents on the other hand, non-polar compounds are soluble in non-polar solvents like organic solvents. Therefore it is said to be “Like dissolves Like”.
(b)
Interpretation: The approximate temperature at which aniline and water codistil in the reduction of nitrobenzene to aniline needs to be determined. Here, the product is readily isolated from the reaction mixture by the steam distillation process.
Concept Introduction:A solution is a mixture of solute and solvent. The solubility of the solute in the solvent depends on the interaction between solute and solvent. It also depends on the polarity of molecules also. As the polar and ionic compounds are soluble in polar solvents on the other hand, non-polar compounds are soluble in non-polar solvents like organic solvents. Therefore it is said to be “Like dissolves Like”.
(c)
Interpretation: The normal boiling point of aniline needs to be determined which is formed in the reduction of nitrobenzene to aniline.
Concept Introduction:A solution is a mixture of solute and solvent. The solubility of a solute in the solvent depends on the interaction between solute and solvent. It also depends on the polarity of molecules also. As the polar and ionic compounds are soluble in polar solvents,on the other hand, non-polar compounds are soluble in non-polar solvents like organic solvents. Therefore it is said to be “Like dissolves Like”.

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Chapter 4 Solutions
Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
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