The orbital overlap picture of But-1-ene-3-yne is to be drawn and reason of delocalization of one (-bonds in triple bond and localization of one (-bonds is to be discussed. Concept introduction: In chemistry, overlapping of orbital takes place to form bonds between the atoms. At least two orbitals must overlap with each other to form a bond. The examples of orbitals are s, p, d, f orbitals.Sigma bond involves the head to headoverlapping of two orbitals; on the other hand, pi bond involves the side to side or lateral overlapping of two orbitals. The lone pairs are unpaired electron present in the orbitals of the atom.Oxygen has two pairs of lone pair. The localized lone pair is the lone pair which is present in the hybrid orbital and does not take part in resonance. On the other hand, delocalized lone pair is the lone pair which is present in non-hybrid orbital and does take part in resonance.

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Chapter 23, Problem 23.20A

Interpretation Introduction

Interpretation:

The orbital overlap picture of But-1-ene-3-yne is to be drawn and reason of delocalization of one (-bonds in triple bond and localization of one (-bonds is to be discussed.

Concept introduction:

In chemistry, overlapping of orbital takes place to form bonds between the atoms. At least two orbitals must overlap with each other to form a bond. The examples of orbitals are s, p, d, f orbitals.Sigma bond involves the head to headoverlapping of two orbitals; on the other hand, pi bond involves the side to side or lateral overlapping of two orbitals.

The lone pairs are unpaired electron present in the orbitals of the atom.Oxygen has two pairs of lone pair.

The localized lone pair is the lone pair which is present in the hybrid orbital and does not take part in resonance.

On the other hand, delocalized lone pair is the lone pair which is present in non-hybrid orbital and does take part in resonance.

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