A compound (A) having molecular formula `C_3 H_7 NO_2` reacts with Sn and Conc.HCl to give compound (B). Compound (B) reacts with solid `NaNO_2` and dil HCl at 273K to give compound C, which on treatment with `SOCl_2` gives compound (D). Write the structure of the compound A, B, C & D.

Aniline reacts with mixture of NaNO_2 and HCl at 5^@ C to give

A compound 'A' having molecular formula C_(2)H_(5)O_(2)N , on reaction with Sn and conc. HCl gives a compound B which when treated with NaNO_(2) and dil. HCl gave compound C having molecular formula C_(2)H_(6)O . The compound C when treated with Na metal give effervescenes and when reacts with CrO_(3) give a saturated aldehyde having 2 carbon atoms. Determine the structures and names of A, B and C along with the sequence of reactions.

A compound A of molecular formula C_(3)H_(7)O_(2)N on reaction with iron and concentrated HCl gives a compound B of molecular formula C_(3)H_(9)N . Compound B on treatment with NaNO_(2) and HCl gives another compound C of molecular formula C_(3)H_(8)O . Compound C gives effervescence with sodium. On oxidation with CrO_(3) , compound C gives a saturated aldehyde containing three carbon atoms. Deduce the structures of compounds A, B and C and write the equations of the reactions involved.

A compound with molecula formula C_4H_8 gives acetone on ozonolysis. Name the compound ?

Write the isomers of the compound having formula C_4 H_9 Br .