Q.

The correct IUPAC name of [PtBr2(PMe3)2] is:                     [2024]

1 dibromobis(trimethylphosphine)platinum(II)  
2 bis[bromo(trimethylphosphine)]platinum(II)  
3 dibromodi(trimethylphosphine)platinum(II)  
4 bis(trimethylphosphine)dibromoplatinum(II)  

Ans.

(1)

Multiplicity of simple ligands is denoted by di, tri, tetra etc. and multiplicity of complex ligands is denoted by bis, tris, tetrakis etc.

[Pt+2 Br2 -1(PMe03)2] : dibromobis (trimethylphosphine) platinum(II)