Question

How is a complex ion a Lewis adduct?

   How is a complex ion a Lewis adduct?

Chemistry: The Molecular Nature of Matter and Change

Chemistry: The Molecular Nature of Matter and Change

Martin S.… 7th Edition

Chapter 23, Problem 41

Instant Answer

Solved by Expert Ahmed Ali

06/06/2020

Step 1

The central atom or ion is often a Lewis acid because it can accept electrons. The ions or molecules that bond to it are Lewis bases because they can donate electrons. Show more…

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How is a complex ion a Lewis adduct?

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Key Concepts

Complex Ion

A complex ion is a charged chemical species consisting of a central metal ion bonded to surrounding molecules or ions called ligands through coordinate covalent (dative) bonds. This bonding results in a structure that often exhibits distinct chemical and physical properties compared to the isolated species.

Lewis Acid-Base Theory

Lewis acid-base theory defines acids as electron pair acceptors and bases as electron pair donors. In the context of complex ions, the central metal ion typically acts as a Lewis acid by accepting electron pairs from the ligands, which are the Lewis bases.

Coordinate Covalent Bond

A coordinate covalent bond is a type of covalent bond in which both electrons in the bond originate from the same atom, usually the ligand. This bond is essential in the formation of complex ions as it allows the metal ion to form bonds with multiple ligands without necessarily sharing electrons equally.

Lewis Adduct

A Lewis adduct is the product formed when a Lewis acid and a Lewis base combine through the donation of an electron pair from the base to the acid. In the formation of a complex ion, the metal ion (Lewis acid) accepts electron pairs from the ligands (Lewis bases), fitting this definition and resulting in the adduct formation.

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