Question
Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with $\mathrm{FeSO}_4$ in presence of concentrated $\mathrm{H}_2 \mathrm{SO}_4$ indicates the presence of element/s
Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with $\mathrm{FeSO}_4$ in presence of concentrated $\mathrm{H}_2 \mathrm{SO}_4$ indicates the presence of element/s