What happens in the Cobalt Nitrate test?

Cobalt nitrate test is an extension of charcoal cavity test. Charcoal cavity test is performed by mixing the given salt with sodium carbonate and heating the mixture on the block of charcoal with the help of blow pipe in reducing flame. read more

Cobalt Nitrate is the Inorganic compound with the formula CoNO 3 2. xH 2 O. It is cobalt(II) salt. The most common form is the hexahydrate Co(NO 3) 2 ·6H 2 O, which is a red-brown deliquescent salt that is soluble in water and other polar solvents. read more

In cobalt nitrate test a drop of cobalt nitrate solution is added in the residue left in charcoal cavity, it is heated in an oxidizing flame and the color of residue suggests cation. read more