The geometrical isomers are cis and trans isomers.
The ionization isomers are \(\left[ Co \left( NH _3\right)_4 Br _2\right] Cland \left[ Co \left( NH _3\right)_4 Cl \right] Br 2\).
$(P)\, Fe(CO)_5\,\,\, (Q)\,CO\,\,\, (R)\, H_3B \leftarrow CO\,\,\,(S)\, [Mn(CO)_5]^-$