A few drops of concentrated HNO3 is added to an unknown solution and boiled for a while. If this produces a brown solution, the cation present is likely to be? by Sunday | Oct 10 | Chemistry JAMB | 0 comments A. Pb²+ B. Cu²+ C. Fe³+ D. Fe²+ Correct Answer: Option C – Fe³+ Users Also Read These:When few drops of concentrated trioxonitrate(V) acid…Assuming that brown colour is dominant over black…When a few drops of water is added to a blue…Assuming that in sheep, the allele for black coat…A few drops of fehling’s solution was added to juice…