Which of the Following Statements Is/are True of Bonding in Complex

Multiple Choice

Which of the following statements is/are true of bonding in complex ions?
1. A complex ion with a coordination number of 3 has an octahedral arrangement of ligands and that complexes with two ligands are linear.
2. An octahedral set of orbitals is formed by the hybridization of one d, one s, and two p orbitals to give six dsp² orbitals.
3. For a tetrahedral arrangement of ligands, an sp³ hybrid set is required.

A) ​3 only
B) ​2 only
C) ​1 only
D) ​2 and 3
E) ​1 and 3