Question

During the experiment, ammonia (NH3) is added to the solution of dissolved Cu and Zn, to form two different complex ions.

The species [Cu(NH3)4(H2O)2]2+ is ___________ and the species [Zn(NH3)4(H2O)2]2+ is ___________
A) Cu(II) ion, Zn(II) ion
B) Cu(I) ion, Zn(I) ion
C) Copper oxide, Zinc oxide
D) Copper nitrate, Zinc nitrate

Answer 1

The species [Cu(NH3)4(H2O)2]2+ corresponds to a Cu(II) ion complex, and the species [Zn(NH3)4(H2O)2]2+ corresponds to a Zn(II) ion complex.

Step-by-step explanation:

The species [Cu(NH3)4(H2O)2]2+ is a complex ion that forms when ammonia (NH3) is added to an aqueous solution containing Cu(II) ions. Similarly, the formation of the species [Zn(NH3)4(H2O)2]2+ signifies the formation of a complex ion involving Zn(II) ions. Therefore, the correct answer to the question is A) Cu(II) ion, Zn(II) ion.