Methods of purification of organic compounds - class-XI

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Multiple Choice

Which one of the following reagent is useful for separating aniline from nitrobenzene?

  1. $ aq. NaHCO _3 $
  2. $ aq. NaHSO _3 $
  3. $ aq. HCl $
  4. $dil. H _2SO _4 $
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