Chemistry
Related Questions
State why the blue ppt. formed on addition of NH4OH to CuSO4 soln. dissolves to give a deep blue solution with excess of NH4OH. Give an equation for the reaction. State why Zn(OH)2 is soluble in excess of NH4OH.
Convert (i) ammonia (ii) ammonium hydroxide to an ammonium salt using (a) HNO3 (b) H2SO4
State a reason why reaction of liquor ammonia with nitric acid is a neutralization reaction.
State how NH4OH is used for identifying:
- Fe2+
- Fe3+
- Pb2+
- Zn2+
- Cu2+ cations.
Give also a balanced equation in each case for a known example.