A few drops of concentrated HNO$_3$ is added to an unknown solution and boiled for a while. If this produces a brown solution, the cation present is likely to be

Similar Questions

The compound above is ...

The cleansing action of soap in hard water is not satisfactory because soap ...

What is the sum of the oxidation numbers in a neutral compound? ...

One mole of a hydrocarbon contains 36g of carbon and its vapour density is 20. The structure of the ...

X = - log10 H+] What does X stand for in the expression above?...

CH3CH2Cl + KCN → CH3CH2CN + KCl In the reaction above, the cyanide is...

The process by which atoms are rearranged into different molecular structure in the petroleum refini...

What volume of oxygen will remain after reacting 8cm$^3$ of hydrogen gas with 20cm$^3$ of o...

If a given quantity of electricity liberates 0.65g of Zn2+, what amount of Hg2+ would be liberated b...

Which of the following compounds crystallizes without water of crystallization? ...