Ethanoic acid on heating with ammonia forms compound A which on treatment with bromine and sodium hydroxide gives compound B. Compound B on treatment wnh `NaNO_(2)`/dil HCl gives compound C. The compounds A. B and C respectively are :

The optically active compound [X] on treatment with NaNO_2//HCl gives

Benzoic acid on treatment with Br_2 and FeBr_3 gives the compound (A), which on tratment with NH_3 gives the compound(B). The compound (B) on heating gives the compound (C ). Write the structures of compounds (A), (B) and (C ) in the above sequence of reactions.

An organic compound 'A' having molecular formula C_2H_6O evolves hydrogen gas on treatment with sodium metal and on treatment with red phosphorous and iodind gives compound 'B'. The compound 'B' on treatment with, alcoholic KNC and on subsequent reduction gives compound 'C'. The compound 'C' on treatment with nitrous acid evolves nitrogen gas. Write the balanced chemical equations for all the reactions involved and identify thecompound 'A' 'B' and 'C'.

Aniline is treated with NaNO_(2) // HCl at 0^(@)C to give compound X which on treatment with cuprous cyanide gives another compound Y. When compound Y is treated with H_(2) //Ni compound Z is obtained. The compound Z is

An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is