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A misture of camphor and benzoic acid can be separated by :A. SublimationB. Chemical methodC. Fractional CrystallisationD. Extractin with solvent |
Answer» Correct Answer - B The mixture is reacted with aqueous `NaOH` solution when benzoic acid becomes water soluble as sodium salt and can be separated. It can be regenerated by reacting the solution with dilute `HCl`. `underset("(Soluble)")(C_(6)H_(5)COOH+NaOH rarr C_(6)H_(5)COONa+H_(2)O)` `C_(6)H_(5)COONa+HCl rarr underset("(Regenerated)")(C_(6)H_(5)COOH)+HCl` |
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