Question

The groups satisfying the secondary valencies of a cation in a complex are called _________.

• A. radicals
• B. electrondeficient Molecules
• C. primary valencies
• D. ligands

Answer 1

Answer: (D)

ligands

The groups satisfying the secondary valencies of a cation in a complex are called ligand. A certain number of ions, atoms or molecules closely associate around a central atom leading to the formation of a distinct entity called coordination complex. The groups of atoms or molecules linked to the central atom are said to coordinate with the latter and their no. gives the coordination number.