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…A few drops of NaOH solution was added to an unknown…Three drops of a 1.0 mol/dm³ solution of HCl was…A few drops of conc HCl are added to about 10cm³ of…A rock sample was added to cold dilute HNO3. The gas…