Which of the following compounds give a red colouration in Lassigne's test during detection of N-

Which of the following compounds gives prussian blue colour in Lassaigne's test?

Which of the following organic compound will give red colour in Lassaigne's test?

Which of the following compound gives red colour with iodine solution ?

Which of the following compound gives red colour with iodine solution ?

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