Sodium extract of an organic compound gives blood red colour with `FeCl_3`. It contains

Sodium fusion extract of an organic compound gives blood red colour with FeSO_(4)//Conc. H_(2)SO_(4) on heating. Fresh extract of the same compound gives black precipitate when mixed with (CH_(3)COO)_(2)Pb and with yellow precipitate when treated with AgNO_(3) solution. Then the organic compound may be

Sodium fusion extract of an organic compound gives a blood red colouration with few drops of FeCl_(3) solution. This indicates the presence of

In the Lassaigne's test, one of the organic compound X gives blood red colour with FeCl_(3) . Compound X , when fused with sodium metal forms compound Y . Molecular mass of compound Y is

Sodium fusion extract of an organic compound produces violet colour when treated with sodium nitroprusside . This indicates the presence of _______.