Compound A of molecular formula `C_(9)H_(7)O_(2)Cl` exists is keto form and predominantly in enolic form B. On oxidation with `KMnO_(4),` A give m-chlorobenzoic acid. Identify A and B

A compound C_(9)H_(7)O_(2)CI exists predominanthly in enol from (A) and also in keto from (B) On oxideation with KMnO_(4) it gives m-chlorobenzoic acid as one of the products. Identify the compounds (A) and (B).

A compound A with molecular formula C_(6)H_(10) on oxidation with hot KMnO_(4) gives hexandioic acid. A is

A compound C (molecular formula, C_(2)H_(4)O_(2) ) reacts with Na metal to form a compounds R and evolves a gas which burns with a pop sound. Compound C on treatment with an alcohol A in the presence of an acid form a sweet smelling compound S (molecular formula, C_(3)H_(6)O_(2)) . On addition of NaOH to C, it also gives R and water.S on treatment with NaOH solution gives back R and A. Identify C,R,A,S and write down the reactions involved.

An aromatic compound 'A' having molecular formula C_(7)H_(6)O_(2) on treating with aqueous ammonia and heating forms compound 'B'. The compound 'B' on reaction with molecular bromine and potassium hydroxide provides compound 'C' having molecular formula C_(6)H_(7)N . The structure of 'A' is

An aromatic compound 'A' having molecular formula C_(7)H_(6)O_(2) on treating with aqueous ammonia and heating forms compounds 'B'. The compound B on reaction with molecular bromine and potassium hydroxide provides compound 'C' having molecular formula C_(6)H_(7)N . The structure of 'A' is :