1.

An organic compound 'A' is a sodium salt of phenolic acid with molecular formula C_(7)H_(5)O_(3)Na. 'A' on hearting with soda lime gives compound 'B' of molecular formula C_(6)H_(6)O. 'B' gives violet colour with neutral ferric chloride. 'B' on treatment with C_(6)H_(5)COCl in the presence of NaOH gives an ester 'C'. Identify 'A', 'B' and 'C'. Explain the reactions.

Answer»

Solution :(i) The organic compound (A) which is sodium salt of PHENOLIC acid is sodium salicylate.
(II) (A) on heating with soda lime gives Compound (B) phenol gives violet colouration with neutral ferrichloride.

(iii) Phenol on TREATMENT with `C_(6)H_(5)COCl` in the presence of NaOH gives on ESTER C.
`C_(6)H_(5)OH + C_(6)H_(5)COCl overset(NaOH) to C_(6)H_(5)OCO C_(6)H_(5) + HCl`


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