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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Use valence bond theory to describe the bonding in methylamine. CH3NH2.

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Interpretation Introduction

Interpretation:

Bonding in methylamine (CH3-NH2) should be described using valence bond theory.

Concept Introduction:

Valance bond (VBT) theory: This theory explain a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together.

Hybridization is the process of mixing of atomic orbitals into new hybrid orbitals. The hybrid orbitals have different energies and shape than the component atomic orbitals.

Important types of hybridizations are listed below,

sp3hybridization: It is the combination of 1-s and 3-p orbitals and thus 4sp3 hybrid orbitals are produced.

sp2hybridization: It is the combination of 1-s and 2-p orbitals and thus 3sp2 hybrid orbitals are produced.

Explanation

Considering the Lewis structure of the molecule, the electron-pair geometry around and nitrogen is attached to the remaining hydrogen.

The (N) Nitrogen atoms have three half-filled sp3 orbital and one filled with a lone pair, and electronic configuration method shown below.

Complete (spdf)notationof(N)=7[N]1s22s22p3Filledoneloanpair <

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