A complex ion is a charged species consisting of a metal ion surrounded by
A)other transition metals
B)hydrogen ions
C)ligands
D)ligands and counter ions
E)none of these

Question

Quizplus · Accepted Answer

A complex ion is formed by the central metal ion being surrounded by a coordinating species called ligands. These ligands can be neutral molecules or anions that donate electrons to form dative covalent bonds with the metal ion. Therefore, the best choice is (C) ligands, as they are the characteristic feature of complex ions.

A Complex Ion Is a Charged Species Consisting of a Metal