Question

What happen when if sodium hydroxide is added to cuprammonium sulphate solution

Answer 1

Explanation:

When NaOH is added to ferrous ammonium sulphate solution and warmed, both ferrous ion and ammonium ion separate and exhibit their individual properties. A green precipitate of Fe(OH)2 is formed and the smell of NH3 gas from (NH4)+ ion is observed. Hence, it is an example of the formation of a double salt.