Exam 22: Transition Metal Chemistry and Coordination Compounds

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?

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

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

How many 3d electrons does a Mn²⁺ ion have?

In the following pair of complex ions, choose the one that absorbs light at a shorter wavelength.

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

The electron configuration of a nickel atom is

How many unpaired electrons does the manganese ion have in [Mn(CN)₆]^4-?

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

In the complex ion [ML₆]ⁿ⁺, Mⁿ⁺ has seven d electrons and L is a strong field ligand.According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

The systematic name of the coordination compound K₂[Co(H₂O)₂I₄] is potassium diaquotetraiodocobaltate(II).

How many geometric isomers are possible for the complex [CrF₃Br₃]^3-? Draw these isomers.

Name the complex ion [Cr(en)₂(H₂O)₂]²⁺.

Name the complex ion [Co(H₂O)₄Cl₂]⁺.

Predict the number of unpaired electrons in the [Fe(CN)₆]^4- ion.

The total number of electrons in the 3d orbitals of Cr³⁺ is

The correct formula for the dichlorobis(ethylenediamine)chromium(III)ion is

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

In the complex ion [Fe(CN)₆]^4-, the oxidation number of Fe is

Ethylenediaminetetraacetic acid (EDTA)is