Evidence has to be given to show that two carbon atoms joined by a single bond can rotate about an axis whereas two carbon atoms bonded by a double bond cannot. Concept introduction: 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 un-hybridized orbital’s (p, d, etc) electron density are concentrated in above and below of the plane of the molecule

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Chapter 7, Problem 7.CCP

Interpretation Introduction

Interpretation:

Evidence has to be given to show that two carbon atoms joined by a single bond can rotate about an axis whereas two carbon atoms bonded by a double bond cannot.

Concept introduction:

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 un-hybridized orbital’s (p, d, etc) electron density are concentrated in above and below of the plane of the molecule

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