Question 1

The heme found in cyanocobalamin, otherwise known as vitamin B₁₂, contains what metal ion?

Accepted Answer

Cyanocobalamin, or vitamin B12, contains a cobalt (Co) ion in its structure.

Question 2

Heme groups contain a porphyrin structure as a part of their structure. The donor atoms in a porphyrin structure are composed of what element?

Accepted Answer

The donor atoms in a porphyrin structure are nitrogen atoms, which coordinate with a central metal ion, such as iron in heme groups.

Question 3

The iron found in hemoglobin serves what purpose?

Accepted Answer

The iron in hemoglobin binds to oxygen, enabling red blood cells to transport oxygen from the lungs to tissues throughout the body.

Question 4

A bidentate ligand has ________ donor atom(s).

Accepted Answer

The answer of A bidentate ligand has ________ donor atom(s)....

Question 5

A monodentate ligand has ________ donor atom(s).

Accepted Answer

The answer of A monodentate ligand has ________ donor atom(s)....

Question 6

Ligands act as Lewis ________ when they react with a metal cation and form a bond.

Accepted Answer

The answer of Ligands act as Lewis ________ when they...

Question 7

The equilibrium constant expression obtained for the process Cu²⁺(aq)+ 4NH₃(aq) Cu(NH₃)²⁺(aq)is[Cu(NH₃)₄²⁺]/[Cu²⁺][NH₃]⁴. This expression is called the ________ constant.

Accepted Answer

The answer of The equilibrium constant expression obtained for the...

Question 8

A compound contains a transition metal coordination complex. This coordination complex consists of one Ni(II)ion with 2 water molecules, two ethylenediamine (en)molecules, and the remaining positions filled with Cl ions acting as ligands. Write the correct formula for this complex ion with the correct charge.

Accepted Answer

The answer of A compound contains a transition metal coordination...

Question 9

A compound contains a transition metal coordination complex. This coordination complex consists of one Cu(I)ion, complexed with two water molecules, one ethylenediamine molecule, and Cl ions in the remaining ligand positions. Write the correct formula for this complex ion, including the correct charge.

Accepted Answer

The answer of A compound contains a transition metal coordination...

Question 10

Write the correct formula for the metal complex with the name potassium hexacyanoferrate(III).

Accepted Answer

The answer of Write the correct formula for the metal...

Question 11

Write the correct formula for the metal complex with the name ammonium diaquatetrachlorocobaltate(II).

Accepted Answer

The answer of Write the correct formula for the metal...

Question 12

Write the correct name for the metal complex Na[Co(NO₂)₆].

Accepted Answer

The answer of Write the correct name for the metal...

Question 13

Write the correct name for the metal complex [Pt(en)₂Cl₂](NO₃)₂.

Accepted Answer

The answer of Write the correct name for the metal...

Question 14

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

Accepted Answer

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

Question 15

The ethylenediamine molecule (en), functions as a bidentate ligand and forms a coordination complex with platinum: [Pt(en)₂]²⁺. What is the coordination number to the platinum(II)ion in this coordination complex?

Accepted Answer

The answer of The ethylenediamine molecule (en), functions as a...

Question 16

The ethylenediamine molecule (en), functions as a bidentate ligand and forms a coordination complex with cobalt: [Co(en)₂(H₂O)₂]³⁺. Assign a coordination number and a charge to the cobalt ion in this coordination complex.

Accepted Answer

The answer of The ethylenediamine molecule (en), functions as a...

Question 17

Give the names of both isomers of Pt(NH₃)₂Br₂.

Accepted Answer

The answer of Give the names of both isomers of...

Question 18

In the coordination complex [Ag(NH₃)₂]Br, the coordination number and oxidation number of the central atom are ________.

Accepted Answer

The answer of In the coordination complex [Ag(NH₃)₂]Br, the coordination...

Question 19

In the coordination complex [Pt(NH₃)₂Cl₂], the coordination number and oxidation number of the central atom are ________.

Accepted Answer

The answer of In the coordination complex [Pt(NH₃)₂Cl₂], the coordination...

Question 20

In the coordination complex [Co(NH₃)₂(H₂O)₂Cl₂]⁺, the coordination number and oxidation number of the central atom are ________.

Accepted Answer

The answer of In the coordination complex [Co(NH₃)₂(H₂O)₂Cl₂]⁺, the coordination...

Quiz 22: Metal Complexes

The heme found in cyanocobalamin, otherwise known as vitamin B12, contains what metal ion?

Heme groups contain a porphyrin structure as a part of their structure. The donor atoms in a porphyrin structure are composed of what element?

The iron found in hemoglobin serves what purpose?

A bidentate ligand has ________ donor atom(s).

A monodentate ligand has ________ donor atom(s).

Ligands act as Lewis ________ when they react with a metal cation and form a bond.

The equilibrium constant expression obtained for the process Cu2+(aq)+ 4NH3(aq) Cu(NH3)2+(aq)is[Cu(NH3)42+]/[Cu2+][NH3]4. This expression is called the ________ constant.

Write the correct formula for the metal complex with the name potassium hexacyanoferrate(III).

Write the correct formula for the metal complex with the name ammonium diaquatetrachlorocobaltate(II).

Write the correct name for the metal complex Na[Co(NO2)6].

Write the correct name for the metal complex [Pt(en)2Cl2](NO3)2.

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

The ethylenediamine molecule (en), functions as a bidentate ligand and forms a coordination complex with platinum: [Pt(en)2]2+. What is the coordination number to the platinum(II)ion in this coordination complex?

The ethylenediamine molecule (en), functions as a bidentate ligand and forms a coordination complex with cobalt: [Co(en)2(H2O)2]3+. Assign a coordination number and a charge to the cobalt ion in this coordination complex.

Give the names of both isomers of Pt(NH3)2Br2.

In the coordination complex [Ag(NH3)2]Br, the coordination number and oxidation number of the central atom are ________.

In the coordination complex [Pt(NH3)2Cl2], the coordination number and oxidation number of the central atom are ________.

In the coordination complex [Co(NH3)2(H2O)2Cl2]+, the coordination number and oxidation number of the central atom are ________.