Which of the following compound will give blood red colour while doing the Lassaigne's test:

Which of the following compounds may give blood red colouration while performing Lassaigne.s lest for nitrogen

Which of the following compounds gives blood red colouration when its Lassaigne's extract is treated with alkali and ferric chloride .

Which of the following compounds gives blood red colouration when its Lassaigne's extract is treated with alkali and ferric chloride ?