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Coordination Compounds Quiz

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Questions and Answers

What is the definition of a central atom or ion in a coordination entity?

An atom or ion that donates electrons to the ligands

An atom or ion to which ions/groups are bound in a definite geometrical arrangement (correct)

An atom or ion that accepts electrons from the ligands

An atom or ion that is always positively charged

Which type of ligand binds to the central metal using a single donor atom?

Ambidentate ligand

Polydentate ligand

Didentate ligand

Monodentate ligand (correct)

Which type of ligand forms complexes by using two or more donor atoms to bind to a single metal ion?

Monodentate ligand

Polydentate ligand (correct)

Ambidentate ligand

Didentate ligand

What defines an ambidentate ligand?

A ligand that can bind through two different atoms or ions Signup and view all the answers

What characterizes a didentate ligand?

It binds through two donor atoms Signup and view all the answers

Which postulate of Werner's theory states that primary valencies are ionizable and satisfied by negative ions?

The primary valencies are ionizable and satisfied by neutral molecules. Signup and view all the answers

In a coordination compound, the secondary valence is satisfied by ____________.

Neutral molecules or negative ions. Signup and view all the answers

What is a characteristic difference between a double salt and a complex?

Complex ions do not dissociate into their constituent ions when dissolved in water. Signup and view all the answers

What is the main characteristic of a coordination entity in a coordination compound?

It is represented within a square bracket. Signup and view all the answers

In Werner's theory of coordination compounds, what is the primary role of secondary valencies?

Fixed for every metal in a complex. Signup and view all the answers

How do double salts and complexes differ in their behavior when dissolved in water?

Double salts dissociate into simple ions. Signup and view all the answers