1.

There is a solution fo p-hydroxybenzoic acid and p-amino benzoic acid . Discuss one method by which we can separate them and slso write down the confimatory test of the functional groups present .

Answer»

Solution :For the separation of p-hydroxy benzonic acid and p-aminobenzoic acid the solutuion is TREATED with `HCL` Therseore . p-aminobezoic acid REMAINS in solution as from of ammonium salt while p-hydroxoybenzion acid is not soluble (so it is separted easily ).

Test (1) With ` NaHCO_3` both evolce effervescenes of `CO_2`.

Test (2) : Azo due test : p-Aminobenzonic acid does not .
Test (3) : Liebermann nitrosos test : p-Huydroxy BENZOIC acid gives Liebemann nitroso test , while p-amino benzoic acid does not .


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