An organic compound `(A)` on treatment with acetic acid in the presence of sulphuric acid produces an ester `(B)`. `(A)` on mild oxidation gives `( C), ( C)` with `50 %` potassium hydroxide followed by acidification with dilute hydroxide acid generates `(A)` and `(D) ,(D)` with phosphorus pentachloride followed by reaction with ammonia gives `(E) , (E)` on dehydration produces hydrocyanic acid. Identify the compounds `(A), (B), (C), (D)`, and `(E)`.

An organic compound (A) on treatment with acetic acid in the presence of sulphuric acid produces an ester (B). (A) on mild oxidation gives (C ). (C) with 50% KOH followed by acidification with dilute HCl generates (A) and (D). (D) with PCl_(5) followed by reaction with ammonia gives (E). (E) on dehydration produces hydrocyanic acid. Identify the compounds. A, B, C, D, and E.

An organic compound (A) on treatment with acetic acid in presence of sulphuric acid pro-duces as ester(B). (A) on mild oxidation gives (C). (C) with 50% KOH followed by acidifica-tion with dill HCI generates (A) and (D). (D) with PCI_5 followed by reaction with ammonia give (E). (E) on dehydration produces HCN-acid. Identify A to E.

Give balanced equations for the following reactions : Acetic acid reacts with phosphorus pentachloride.

Give equations for the reaction of acetic acid with potassium hydroxide

An organic compound on oxidation produces acetic acid , but on dehydration it gives propylene. It would like to be

An aliphatic hydrocarbon A on treatment with sulphuric acid in the presence of HgSO_4 yields a liquid B with molecular formula C_2H_4O . Bon oxidation with acidified potassium dichromate yields C which gives effervescence with sodium bicarbonate. C when treated with SOCl_2 gives D. When D reacts with ethanol it gives a sweet smelling liquid E. E is also formed when C reacts with ethanol in the presence of conc. H_2SO_4 . Identify A, B, C, D and E.

(i) An organic compound A with molecular formula C_(7)H_(8) on oxidation by chromyl chloride in the presence of C Cl_(4) gives a compound B which gives positive Tollen's test. The compound B on treatment with NaOH followed by acid hydrolysis gives two product C and D. C on oxidation gives B which on further oxidation gives D. the compound D on distillation with sodalime gives a hydrocarbon E. Below 60^(@)C , concentrated nitric acid reacts with E in the presence of concentrated sulphuric acid forming a compound F. identify the compounds A,B,C,D,E and F. (ii) Give chemical test to distinguish : Formaldehyde and acetaldehyde.