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General Chemistry

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Molecular Orbitals: Construction of $\sigma$ or $\pi$

CHEM-IUKA9G

Which of the following statements BEST describes the molecular orbital (MO) below?

Created for Albert.io. Copyright 2016. All rights reserved.

A

This is a $\pi$ bonding MO. It was formed by the side-on-side overlap of two ${ p }_{ y }$ atomic orbitals. Placing electrons in it will strengthen bonding.

B

This is a $\pi$ antibonding MO. It was formed by the side-on-side overlap of two ${ p }_{ z }$ atomic orbitals. Placing electrons in it will weaken bonding.

C

This is a $\sigma$ antibonding MO. It was formed by the side-on-side overlap of two ${ p }_{ z }$ atomic orbitals. Placing electrons in it will weaken bonding.

D

This is a $\pi$ antibonding MO. It was formed by the side-on-side overlap of two ${ p }_{ z }$ atomic orbitals. Placing electrons in it will strengthen bonding.