A complex cation is formed by Pt (in some oxidation state) with ligands (in proper number so that coordination number of Pt vecomes six). Which of the following can be its correct IUPAC name?

A complex cation is formed by Pt( in some oxidation state ) with ligands ( in proper number so that coordination number of Pt becomes six ). Which of the following can be its correct IUPAC name ?

A complex anion is formed by Osmium ( in some oxidation state ) with ligands ( in proper number so that coordination number of osmium becomes six ). Which of the following can be its correct IUPAC name ?

A complex anion is formed by Osmium ( in some oxidation state ) with ligands ( in proper number so that coordination number of osmium becomes six ). Which of the following can be its correct IUPAC name ?

A complex cation is formed by ppt in some oxidation state) with ligands (in proper number so that CN of ppt becomes six). Which of the following can be its correct IUPAC name?

Which of the following complexes has six coordination number?

Which of the following complexes shows six coordination number?