(a) An aromatic compound ‘A’ (C₇H₆0₂) on reaction with aqueous Ammonia and heating forms compound ‘B’. ‘B’ on heating with Br₂ and alcoholic potash forms compound ‘C’ of molecular formula C₆H₇N. Write the reactions involved and identify ‘A’ , ‘B’ and ‘C’.

OR

(b) A compound ‘A’ on reduction with Iron scrap and hydrochloric acid gives compound ‘B’ with molecular formula C₆H₇N. Compound ‘B’ on rection with CHCl₃ and alcoholic KOH produces an obnoxious smell of carbylamine due to formation of ‘C’. Identify ‘A’, ‘B’ and ‘C’ and write the chemical reactions involved.