Organic Chemistry Basics - Result Question 125

77. You have an ether solution containing 4-hydroxybenzoic acid and 4-aminobenzoic acid. Explain, how will you separate the two in not more than 3 steps? Give confirmatory tests with reagents and conditions for functional groups of each.

(2003)

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Solution:


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$\xrightarrow{FeCl _3}$ violet colouration confirm phenolic group

$ \xrightarrow{NaHCO _3} CO _2 \uparrow \xrightarrow[\text { water }]{\text { lime }} \text { milky } \longrightarrow-COOH $

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