[Ag(NH3)2]+ is a colorless complex ion right?
See below.
To determine whether [Ag(NH3)2]+ is a colorless complex ion, we can examine its composition and coordination environment.
First, let's break down the composition of the complex ion [Ag(NH3)2]+:
- [Ag(NH3)2]+: This represents a complex ion that contains a central silver (Ag) atom bonded to two ammonia (NH3) ligands.
Silver ions (Ag+) are usually colorless, but their complexes can exhibit different colors depending on the ligands attached to the central metal ion. In this case, the ligands are ammonia molecules (NH3), which are also colorless.
Ammonia is a weak-field ligand, meaning it produces a low crystal field splitting energy. When combined with silver ions, which already have a partially filled d-orbital, the complex [Ag(NH3)2]+ does not cause large energy differences between the d-orbitals. As a result, there is no significant absorption of visible light, and the complex appears colorless.
Therefore, based on the composition and ligand properties, [Ag(NH3)2]+ is generally considered a colorless complex ion.