The bonding in formaldehyde has to be explained. Concept introduction: Hybridization is the mixing of valence atomic orbitals to get equivalent hybridized orbitals that having similar characteristics and energy. Geometry of a molecule can be predicted by knowing its hybridization. sp 3 hybrid orbitals is produced by hybridization of single s-orbital and three p-orbital. sp 2 hybrid orbitals is produced by hybridization between one s-orbital and two p-orbitals. sp hybrid orbitals is produced by hybridization of single s-orbital and single p-orbital. Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons. Molecular geometry is the shape of a molecule predicted by considering only bond pair of electrons Sigma (σ) bonds are the bonds in which shared hybrid orbital’s electron density are concentrated along the internuclear axis. Pi (π) bonds are the bonds in which shared unhybridized orbital’s (p, d, etc) electron density are concentrated in above and below of the plane of the molecule.

Question

NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 4.1 ppm? Select the single best answer. The H O HỌC—C—0—CH, CH, 2 A ethyl acetate H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm Check OA B OC ch B C Save For Later Submit Ass © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |

Answer 1

Question

Chapter 23.5, Problem 2.2ACP

Interpretation Introduction

Interpretation:

The bonding in formaldehyde has to be explained.

Concept introduction:

Hybridization is the mixing of valence atomic orbitals to get equivalent hybridized orbitals that having similar characteristics and energy.

Geometry of a molecule can be predicted by knowing its hybridization.

sp3 hybrid orbitals is produced by hybridization of single s-orbital and three p-orbital.

sp2 hybrid orbitals is produced by hybridization between one s-orbital and two p-orbitals.

sp hybrid orbitals is produced by hybridization of single s-orbital and single p-orbital.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

Molecular geometry is the shape of a molecule predicted by considering only bond pair of electrons

Sigma (σ) bonds are the bonds in which shared hybrid orbital’s electron density are concentrated along the internuclear axis.

Pi (π) bonds are the bonds in which shared unhybridized orbital’s (p, d, etc) electron density are concentrated in above and below of the plane of the molecule.

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