Exam 23: Transition Metal Chemistry and Coordination Compounds

A complex with the composition [MA₂B₂]X₂ is found to have no geometrical isomers.Both A and B are monodentate ligands.The structure of the complex is

The electron configuration of an Fe²⁺ ion is

Labile complexes are coordination complexes that

In the coordination compound [Cr(NH₃)(en)₂Cl]Br₂, the coordination number (C.N.)and oxidation number (O.N.)of the metal atom are, respectively,

What is the oxidation number of Co in the complex [Co(H₂O)₄Cl₂]Cl?

Which of the following choices can function as a bidentate ligand?

What is the coordination number of cobalt in [Co(NH₃)₆]Cl₃?

Which of the following complexes has optical (chiral)isomers?

The best name for the complex shown below is

Ethylenediaminetetraacetic acid (EDTA)is

A molecule or atom that accepts an electron pair to form a coordinate covalent bond is called a Lewis _______.

The correct formula for pentaamminechloroplatinum(IV)chloride is:

Which one of these complex ions would absorb light with the shortest wavelength?

Which of these square planar complex ions can have cis-trans isomers?

Two complex ions containing Ni are [Ni(NH₃)₆]²⁺, which is blue, and [Ni(en)₃]²⁺, which is purple.Which one of these statements is true?

In K₄[Fe(CN)₆], how many 3d electrons does the iron atom have?

The total number of electrons in the 3d orbitals of Co³⁺ is

Give the coordination number (C.N.)and oxidation number (O.N.)of the metal atom in the coordination compound [Cr(NH₃)₂(en)Cl₂].

In the coordination compound [Co(en)₂Cl₂]Cl, the coordination number and oxidation number of the central atom are, respectively,

How would you expect the molecule 1,10-phenanthroline (shown below)to function as a ligand?