Transition Metals Uses As Catalysts & Complex Ions.

Question 1

What is a complex ion? CENCH

Answer 1

An ion that contains one or more ligands that are attached to a central cation.

Question 2

What is a dative covalent bond? LPSA

Answer 2

Covalent bond where a lone pair of electrons come from the same atom.

Question 3

What is a ligand? LLPD

Answer 3

A species that uses a lone pair of electrons to form a dative bond.

Question 4

What’s a complex? MIJTL

Answer 4

Species containing a metal ion joined to ligands

Question 5

What is the number that’s used to describe the number of bonds in a complex?

Answer 5

Coordination number

Question 6

What is the name for a ligand with one lone pair of electrons?

Answer 6

Monodentate

Question 7

What is the name for a ligand with two lone pairs of electrons?

Answer 7

Bidentate

Question 8

What is the name for a ligand with more than two lone pairs of electrons?

Answer 8

Multidentate

Question 9

What is the shape of a complex ion with the coordination numbers 6, 4 and 2?

Answer 9

6 - octohedral
4 - tetrahedral
2 - linear (if ion) / square planar (if not)

Question 10

What bond joins a complex ion?

Answer 10

A dative covalent bond.

Question 11

What ion does a ligand form a dative covalent bond with?

Answer 11

A metal ion