If on adding `FeCl_(3)` solution to acidified Lassaigne solution ,a blood red colouraton is produced of

If on adding FeCl_(3) solution to acidified Lassaigne solution, a blood red colouration is produced, it indicates the presence of

If on adding FeCl_(3) solution to acidifies Lassaigne's solution a blood red coloration is produced, it indicates the presence of

On adding FeCl_(3) solution to acidified Lassaigne's solution, a blood red colour is produced, it indicates the presence of

On adding FeCl_(3) to the acidic Lassaigne solution, a blood red colouration is obtained. It indicates the presence of :

In the Lassaigne’s test, the blood red colouration is due to the formation of

FeCl_(3) solution is acidic due to hydrolysis of :-

Acidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration which confirms the presence of