What is the coordination number and oxidation state of aluminium in the complex ion [Al(H2O)4(OH)2] +?
Name the ligands which are regarded as strong crystal fields and causes pairing of electrons.
What is the oxidation state of gold in [Au(CN)2]–?
Oxidation of gold in [Au(CN)2]– is 1.
Au =x
CN =-1
Thus Oxidation state is be
x+(-2) = (-1)
x= 1