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Coordination Compound Formula

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Questions and Answers

What is the primary characteristic of coordination compounds in solution?

They lose their identity

They alter their pH

They change their color

They retain their identity (correct)

What is the result of adding KCN solution to Fe(CN)2 solution?

K4[Fe(CN)6] is formed (correct)

Fe(CN)2 and 4KCN are formed

Fe2+ and CN– are formed

Fe3+ and CN– are formed

What is the term for the species formed when a metal atom or ion is attached to a group of neutral molecules or ions?

Ligand

Coordination entity (correct)

Coordination compound

Complex ion

What is the term for the atoms or groups attached to the central atom or ion in a coordination entity?

Ligands Signup and view all the answers

What is the collective term for the central atom or ion and the ligands attached to it in a coordination entity?

Coordination sphere Signup and view all the answers

What is the term for the ions that are not part of the coordination sphere?

Counter ions Signup and view all the answers

What is the formula of the complex ion formed when Cu2+ reacts with NH3?

[Cu(NH3)4]2+ Signup and view all the answers

What is the oxidation state of the metal ion in the complex ion [Fe(CN)6]3–?

Fe3+ Signup and view all the answers

What is the term for the bonds that attach the ligands to the central atom or ion in a coordination entity?

Coordinate covalent bonds Signup and view all the answers

What is the difference between a coordination entity and a coordination compound?

A coordination entity is a species, while a coordination compound is a substance Signup and view all the answers